{"id":402,"date":"2024-10-13T17:08:28","date_gmt":"2024-10-13T08:08:28","guid":{"rendered":"https:\/\/nekomata3.net\/blog\/?p=402"},"modified":"2025-05-03T15:09:58","modified_gmt":"2025-05-03T06:09:58","slug":"css%e3%81%ae%e5%9f%ba%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/nekomata3.net\/?p=402","title":{"rendered":"CSS\u306e\u57fa\u672c"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u3053\u306e\u8a18\u4e8b\u306e\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #5b5b5b;color:#5b5b5b\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #5b5b5b;color:#5b5b5b\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nekomata3.net\/?p=402\/#CSS%E3%81%A8%E3%81%AF\" >CSS\u3068\u306f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nekomata3.net\/?p=402\/#%E2%91%A0%E3%82%BB%E3%83%AC%E3%82%AF%E3%82%BF%E8%A6%81%E7%B4%A0%E3%81%AB%E2%91%A1%E3%83%97%E3%83%AD%E3%83%91%E3%83%86%E3%82%A3%EF%BC%88%E5%B1%9E%E6%80%A7%EF%BC%89%E4%BD%95%E3%82%92%EF%BC%9A%E2%91%A2%E5%80%A4%E3%81%A9%E3%81%86%E3%81%99%E3%82%8B%EF%BC%9B\" >\u2460\u30bb\u30ec\u30af\u30bf[\u8981\u7d20\u306b]{\u2461\u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u5c5e\u6027\uff09[\u4f55\u3092]\uff1a\u2462\u5024[\u3069\u3046\u3059\u308b]\uff1b}<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nekomata3.net\/?p=402\/#1%E3%82%BB%E3%83%AC%E3%82%AF%E3%82%BF%EF%BC%88Selector%EF%BC%89\" >1.\u30bb\u30ec\u30af\u30bf\uff08Selector\uff09<\/a><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nekomata3.net\/?p=402\/#%E8%A6%81%E7%B4%A0%E3%82%BB%E3%83%AC%E3%82%AF%E3%82%BF%E3%81%AE%E4%BE%8B\" >\u8981\u7d20\u30bb\u30ec\u30af\u30bf\u306e\u4f8b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nekomata3.net\/?p=402\/#%E5%AD%90%E5%AD%AB%E3%82%BB%E3%83%AC%E3%82%AF%E3%82%BF%E3%81%AE%E4%BE%8B%EF%BC%9Aheader_div_p\" >\u5b50\u5b6b\u30bb\u30ec\u30af\u30bf\u306e\u4f8b\uff1aheader div p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nekomata3.net\/?p=402\/#%E9%9A%A3%E6%8E%A5%E3%82%BB%E3%83%AC%E3%82%AF%E3%82%BF%E3%81%AE%E4%BE%8B%EF%BC%9Ah1_p\" >\u96a3\u63a5\u30bb\u30ec\u30af\u30bf\u306e\u4f8b\uff1ah1 + p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nekomata3.net\/?p=402\/#%E4%B8%80%E8%87%B4%E3%82%BB%E3%83%AC%E3%82%AF%E3%82%BF%E3%81%AE%E4%BE%8B%EF%BC%9Ah1_p\" >\u4e00\u81f4\u30bb\u30ec\u30af\u30bf\u306e\u4f8b\uff1ah1 ~ p<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nekomata3.net\/?p=402\/#2_%E3%83%97%E3%83%AD%E3%83%91%E3%83%86%E3%82%A3%EF%BC%88Property%EF%BC%89\" >2. \u30d7\u30ed\u30d1\u30c6\u30a3\uff08Property\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nekomata3.net\/?p=402\/#3_%E5%80%A4%EF%BC%88Value%EF%BC%89\" >3. \u5024\uff08Value\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nekomata3.net\/?p=402\/#%E3%81%BE%E3%81%A8%E3%82%81\" >\u307e\u3068\u3081<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading has-text-align-center is-style-vk-heading-double_black vk_block-margin-sm--margin-bottom has-large-font-size\"><span class=\"ez-toc-section\" id=\"CSS%E3%81%A8%E3%81%AF\"><\/span>CSS\u3068\u306f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center vk_block-margin-md--margin-bottom\" style=\"font-size:18px\">CSS\uff08\u30ab\u30b9\u30b1\u30fc\u30c7\u30a3\u30f3\u30b0\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\uff09\u306f\u898b\u305f\u76ee\u3092\u88c5\u98fe\u3059\u308b\u305f\u3081\u306e\u8a00\u8a9e\u3067\u3059\u3002<br>\u30bb\u30ec\u30af\u30bf\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3001\u5024\u306e3\u3064\u306e\u8981\u7d20\u304c\u7d44\u307f\u5408\u308f\u3055\u3063\u3066\u3001HTML\u8981\u7d20\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>Google Chrome \u306a\u3069\u306e\u30d6\u30e9\u30a6\u30b6\u306fUser Agent Stylesheet\uff08\u30e6\u30fc\u30b6\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\uff09\u3068\u547c\u3070\u308c\u308b\u57fa\u672c\u7684\u306aCSS\u3092\u6301\u3063\u3066\u3044\u308b\u306e\u3067\u4f55\u3082\u8a2d\u5b9a\u3057\u306a\u304f\u3066\u3082\u898b\u51fa\u3057\u306a\u3069\u306f\u81ea\u52d5\u7684\u306b\u30d6\u30e9\u30a6\u30b6\u6bce\u306b\u7570\u306a\u308b\u56fa\u6709\u306e\u8a2d\u5b9a\uff08User Agent Stylesheet\uff09\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<br>User Agent Stylesheet\u304c\u5236\u4f5c\u306e\u90aa\u9b54\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u306breset.css\u3001normalize.css\u3001sanitize.css\u306a\u3069\u3067\u4e00\u5ea6\u89e3\u9664\u3057\u3066\u304b\u3089\u65b0\u305f\u306bCSS\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<br>\uff08reset.css\u3001normalize.css\u3001sanitize.css\u306b\u3064\u3044\u3066\u306f<a href=\"https:\/\/nekomata3.net\/blog\/?p=256\" target=\"_blank\" rel=\"noreferrer noopener\">Web\u30af\u30ea\u30a8\u30a4\u30bf\u30fc\u80fd\u529b\u8a8d\u5b9a\u8a66\u9a13\uff08\u77e5\u8b58\u7de8\uff09<\/a>\u3067\u8aac\u660e\u3057\u3066\u3044\u308b\u306e\u3067\u78ba\u8a8d\u3057\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002\uff09<\/p>\n\n\n\n<p>\u524d\u8ff0\u3057\u305f\u3088\u3046\u306b\u30d6\u30e9\u30a6\u30b6\u6bce\u306b\u7570\u306a\u308bCSS\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u672c\u6765\u5236\u4f5c\u8005\u306f\u8907\u6570\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u78ba\u8a8d\u3092\u3057\u306a\u304c\u3089\u5236\u4f5c\u3092\u884c\u3044\u307e\u3059\u3002\u8907\u6570\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u8868\u793a\u78ba\u8a8d\u3059\u308b\u4e8b\u3092\u30af\u30ed\u30b9\u30d6\u30e9\u30a6\u30b6\u30c1\u30a7\u30c3\u30af\u3068\u3044\u3044\u307e\u3059\u3002<br>\u30b9\u30af\u30fc\u30eb\u306ePC\u74b0\u5883\u3067\u306f[Google Chrome]\u3068[Safari]\u3057\u304b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001[<a href=\"https:\/\/www.microsoft.com\/ja-jp\/edge\/?form=MA13FJ\" target=\"_blank\" rel=\"noreferrer noopener\">Microsoft Edge<\/a>]\u3001[<a href=\"https:\/\/www.mozilla.org\/ja\/firefox\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mozilla Firefox<\/a>]\u3001[<a href=\"https:\/\/www.opera.com\/ja\" target=\"_blank\" rel=\"noreferrer noopener\">Opera<\/a>]\u3001[<a href=\"https:\/\/brave.com\/ja\/\" target=\"_blank\" rel=\"noreferrer noopener\">Brave<\/a>]\u3001[<a href=\"https:\/\/vivaldi.com\/ja\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vivaldi<\/a>]\u306a\u3069\u3067\u3082\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u306f\u30b9\u30de\u30db\u7248\u306e\u5404\u7a2e\u30d6\u30e9\u30a6\u30b6\u3067\u3082\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br>\u53c2\u8003\uff1a<a href=\"https:\/\/netmarketshare.com\/browser-market-share.aspx?options=%7B%22filter%22%3A%7B%22%24and%22%3A%5B%7B%22deviceType%22%3A%7B%22%24in%22%3A%5B%22Desktop%2Flaptop%22%5D%7D%7D%5D%7D%2C%22dateLabel%22%3A%22Custom%22%2C%22attributes%22%3A%22share%22%2C%22group%22%3A%22browser%22%2C%22sort%22%3A%7B%22share%22%3A-1%7D%2C%22id%22%3A%22browsersDesktop%22%2C%22dateInterval%22%3A%22Monthly%22%2C%22dateStart%22%3A%222024-01%22%2C%22dateEnd%22%3A%222024-09%22%2C%22pageLength%22%3A100%2C%22segments%22%3A%22-1000%22%7D\" target=\"_blank\" rel=\"noreferrer noopener\">NetMarketShare\uff1aBrowser Market Share<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center vk_block-margin-sm--margin-bottom is-style-vk-heading-dotted_bottomborder_black has-large-font-size\"><span class=\"ez-toc-section\" id=\"%E2%91%A0%E3%82%BB%E3%83%AC%E3%82%AF%E3%82%BF%E8%A6%81%E7%B4%A0%E3%81%AB%E2%91%A1%E3%83%97%E3%83%AD%E3%83%91%E3%83%86%E3%82%A3%EF%BC%88%E5%B1%9E%E6%80%A7%EF%BC%89%E4%BD%95%E3%82%92%EF%BC%9A%E2%91%A2%E5%80%A4%E3%81%A9%E3%81%86%E3%81%99%E3%82%8B%EF%BC%9B\"><\/span>\u2460<strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#d60000\" class=\"has-inline-color\">\u30bb\u30ec\u30af\u30bf<\/mark>[\u8981\u7d20\u306b]{\u2461<mark style=\"background-color:rgba(0, 0, 0, 0);color:#006fc8\" class=\"has-inline-color\">\u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u5c5e\u6027\uff09<\/mark>[\u4f55\u3092]\uff1a\u2462<mark style=\"background-color:rgba(0, 0, 0, 0);color:#3a8538\" class=\"has-inline-color\">\u5024<\/mark>[\u3069\u3046\u3059\u308b]\uff1b}<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><mark style=\"background-color:rgba(0, 0, 0, 0);color:#d60000\" class=\"has-inline-color\">\u30bb\u30ec\u30af\u30bf<\/mark><\/th><th><mark style=\"background-color:rgba(0, 0, 0, 0);color:#d60000\" class=\"has-inline-color\">\u8aac\u660e<\/mark><\/th><th><mark style=\"background-color:rgba(0, 0, 0, 0);color:#006fc8\" class=\"has-inline-color\">\u30d7\u30ed\u30d1\u30c6\u30a3<\/mark><\/th><th><mark style=\"background-color:rgba(0, 0, 0, 0);color:#006fc8\" class=\"has-inline-color\">\u8aac\u660e<\/mark><\/th><th><mark style=\"background-color:rgba(0, 0, 0, 0);color:#3a8538\" class=\"has-inline-color\">\u5024<\/mark><\/th><th><mark style=\"background-color:rgba(0, 0, 0, 0);color:#3a8538\" class=\"has-inline-color\">\u8aac\u660e<\/mark><\/th><\/tr><\/thead><tbody><tr><td>*<\/td><td>\u5168\u3066\u306e\u8981\u7d20<\/td><td>margin, padding<\/td><td>\u4f59\u767d<\/td><td>100%,10px,auto\u306a\u3069<\/td><td>\u6570\u5024\u3084\u6587\u5b57\u3001\u5272\u5408\u306a\u3069\u306e\u4f59\u767d\u8a2d\u5b9a<\/td><\/tr><tr><td>h1\u3000p\u3000div\u3000\u306a\u3069<\/td><td>\u8981\u7d20\u540d<\/td><td>font-weight, font-size, font-family\u3000\u306a\u3069<\/td><td>\u30d5\u30a9\u30f3\u30c8<\/td><td><code>bold<\/code>, <code>16px<\/code>, <code>Arial<\/code><\/td><td>\u30d5\u30a9\u30f3\u30c8\u306e\u592a\u3055\u3001\u30b5\u30a4\u30ba\u3001\u30d5\u30a1\u30df\u30ea\u30fc\u8a2d\u5b9a<\/td><\/tr><tr><td><code>a<\/code>, <code>button<\/code>, <code>input<\/code>\u306a\u3069<\/td><td>\u8981\u7d20\u540d<\/td><td><code>border<\/code>, <code>border-radius<\/code><\/td><td>\u30dc\u30fc\u30c0\u30fc<\/td><td><code>1px solid black<\/code>, <code>10px<\/code><\/td><td>\u30dc\u30fc\u30c0\u30fc\u306e\u30b9\u30bf\u30a4\u30eb\u3084\u89d2\u306e\u4e38\u307f<\/td><\/tr><tr><td>#header\u3000#Access\u3000\u306a\u3069<\/td><td>ID\u540d<\/td><td>color<\/td><td>\u8272<\/td><td>FF0000,red\u306a\u3069<\/td><td>\u6570\u8272\u306e\u6307\u5b9a<\/td><\/tr><tr><td>.list\u3000.main_ul\u3000\u306a\u3069<\/td><td>class\u540d<\/td><td>display, position\u3000\u306a\u3069<\/td><td>\u914d\u7f6e<\/td><td>flex,fixed\u306a\u3069<\/td><td>\u914d\u7f6e\u306e\u6307\u5b9a\uff08\u30ec\u30a4\u30a2\u30a6\u30c8\u3001\u4f4d\u7f6e\u306a\u3069\uff09<\/td><\/tr><tr><td>#header nav ul , <code class=\"\">ul &gt; li<\/code>\u306a\u3069<\/td><td>\u5b50\u5b6b\u30bb\u30ec\u30af\u30bf<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>h1 + p<\/td><td>\u96a3\u63a5\u30bb\u30ec\u30af\u30bf<\/td><td>text-decoration\u306a\u3069<\/td><td>\u96a3\u63a5\u8981\u7d20\u306e\u30b9\u30bf\u30a4\u30eb<\/td><td>none,underline\u306a\u3069<\/td><td>\u76f4\u524d\u306e\u8981\u7d20\u3068\u76f4\u63a5\u96a3\u63a5\u3059\u308b\u8981\u7d20\u306e\u30b9\u30bf\u30a4\u30eb<\/td><\/tr><tr><td>h1 ~ p<\/td><td>\u4e00\u81f4\u30bb\u30ec\u30af\u30bf<\/td><td><\/td><td>\u4e00\u81f4\u8981\u7d20\u306e\u30b9\u30bf\u30a4\u30eb<\/td><td><\/td><td>\u540c\u3058\u89aa\u8981\u7d20\u3092\u6301\u3064\u8981\u7d20\u306e\u30b9\u30bf\u30a4\u30eb<\/td><\/tr><tr><td><code>:hover<\/code>, <code>:focus<\/code>, :link<\/td><td>\u64ec\u4f3c\u30af\u30e9\u30b9<\/td><td>background-color, background-image\u3000\u306a\u3069<\/td><td>\u72b6\u614b<\/td><td><code>#FFFFFF<\/code>, <code>url(image.jpg)<\/code><\/td><td>\u30de\u30a6\u30b9\u30aa\u30fc\u30d0\u30fc\u6642\u3084\u30d5\u30a9\u30fc\u30ab\u30b9\u6642\u306e\u30b9\u30bf\u30a4\u30eb<\/td><\/tr><tr><td><code>:first-child<\/code>, <code>:last-child<\/code><\/td><td>\u64ec\u4f3c\u30af\u30e9\u30b9<\/td><td><\/td><td><\/td><td><\/td><td>\u7279\u5b9a\u306e\u5b50\u8981\u7d20\u306b\u9069\u7528\u3059\u308b\u30b9\u30bf\u30a4\u30eb<\/td><\/tr><tr><td><code>:before<\/code>, <code>:after<\/code><\/td><td>\u64ec\u4f3c\u8981\u7d20<\/td><td><code>content<\/code>, <code>color<\/code><\/td><td>\u30b3\u30f3\u30c6\u30f3\u30c4<\/td><td><code>\"\"<\/code>, <code>\"\\u2022\"<\/code>, <code>red<\/code><\/td><td>\u8981\u7d20\u306e\u524d\u5f8c\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8ffd\u52a0\u3059\u308b<\/td><\/tr><tr><td>input[type=&#8221;text&#8221;]<\/td><td>\u5c5e\u6027\u30bb\u30ec\u30af\u30bf<\/td><td><code>border<\/code>, <code>padding<\/code><\/td><td><\/td><td><code>2px solid blue<\/code>, <code>5px<\/code><\/td><td>\u7279\u5b9a\u306e\u5c5e\u6027\u3092\u6301\u3064\u8981\u7d20\u3078\u306e\u30b9\u30bf\u30a4\u30eb<\/td><\/tr><tr><td>@keyframes<\/td><td><span class=\"text-nowrap\">\u30ad\u30fc\u30d5\u30ec\u30fc\u30e0\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/span><\/td><td><code>animation<\/code>, <code>animation-duration<\/code><\/td><td><span class=\"text-nowrap\">\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/span><\/td><td><code>slide-in<\/code>, <code>2s<\/code><\/td><td>\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u5b9a\u7fa9\u3068\u8a2d\u5b9a<\/td><\/tr><tr><td>@media<\/td><td>\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea<\/td><td><\/td><td><\/td><td><code>screen<\/code>, <code>min-width: 600px<\/code><\/td><td>\u30c7\u30d0\u30a4\u30b9\u306b\u5fdc\u3058\u305f\u30b9\u30bf\u30a4\u30eb\u306e\u8abf\u6574<\/td><\/tr><tr><td>:root<\/td><td>\u6700\u4e0a\u4f4d\u8981\u7d20<\/td><td>&#8211;variable-name<\/td><td>CSS\u5909\u6570<\/td><td>&#8211;main-color: #333<\/td><td>CSS\u5909\u6570\u306e\u5b9a\u7fa9<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u4e3b\u306aCSS<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading vk_block-margin-sm--margin-bottom vk_block-margin-sm--margin-top is-style-vk-heading-background_fill_lightgray has-medium-font-size\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\"><span class=\"ez-toc-section\" id=\"1%E3%82%BB%E3%83%AC%E3%82%AF%E3%82%BF%EF%BC%88Selector%EF%BC%89\"><\/span>1.\u30bb\u30ec\u30af\u30bf\uff08Selector\uff09<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"has-text-align-center vk_block-margin-sm--margin-bottom\" style=\"font-size:18px\">\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3059\u308b\u5bfe\u8c61\u306eHTML\u8981\u7d20\u3092\u6307\u5b9a\u3059\u308b\u3082\u306e\u3067\u3001\u3069\u306e\u8981\u7d20\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list is-style-vk-numbered-square-mark\">\n<li><strong>\u8981\u7d20\u30bb\u30ec\u30af\u30bf\uff1a<\/strong><code>h1<\/code>, <code>p<\/code>, <code>div<\/code><br>\u7279\u5b9a\u306eHTML\u8981\u7d20\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u306f\u3059\u3079\u3066\u306e<code>&lt;h1&gt;<\/code>\u3001&lt;p&gt;\u3001&lt;div&gt;\u8981\u7d20\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30af\u30e9\u30b9\u30bb\u30ec\u30af\u30bf\uff1a<\/strong> <code>&lt;button class=\"button\"&gt;<\/code>,&lt;<code>p <\/code>class=&#8221;button&#8221;&gt;,&lt;<code>div <\/code>class=&#8221;button&#8221;&gt;<br>\u30af\u30e9\u30b9\u5c5e\u6027\u3092\u4ed8\u4e0e\u3057\u305f\u8981\u7d20\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u306f\u3059\u3079\u3066\u306e<code>.button\u3092\u4ed8\u4e0e\u3057\u305f\u8981\u7d20\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/code><\/li>\n\n\n\n<li><strong>ID\u30bb\u30ec\u30af\u30bf\uff1a<\/strong>&lt;<code>header<\/code> id=&#8221;<code>header<\/code>&#8220;&gt;,&lt;p id=&#8221;textbox&#8221;&gt;,&lt;div id=&#8221;top&#8221;&gt;<br>\u7279\u5b9a\u306eID\u5c5e\u6027\u3092\u6301\u3064\u8981\u7d20\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002ID\u306f\u4e00\u610f\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u305f\u3081\u3001\u30da\u30fc\u30b8\u5185\u3067\u540c\u3058ID\u3092\u8907\u6570\u306e\u8981\u7d20\u306b\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li><strong>\u5b50\u5b6b\u30bb\u30ec\u30af\u30bf\uff1a<\/strong><code>header<\/code> <code>div p<\/code><br>\u7279\u5b9a\u306e\u8981\u7d20\u5185\u306b\u3042\u308b\u3059\u3079\u3066\u306e\u6307\u5b9a\u3055\u308c\u305f\u5b50\u5b6b\u8981\u7d20\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u306f&lt; <code>header<\/code> &gt;<code>\u8981\u7d20\u5185\u306b\u3042\u308b&lt;div&gt;\u8981\u7d20\u5185\u306e\u5168\u3066\u306e&lt;p&gt;\u8981\u7d20\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/code><\/li>\n\n\n\n<li><strong>\u96a3\u63a5\u30bb\u30ec\u30af\u30bf\uff1a<\/strong><code>h1 + p<\/code><br>\u7279\u5b9a\u306e\u8981\u7d20\u306e\u76f4\u5f8c\u306b\u3042\u308b\u540c\u3058\u968e\u5c64\u306e\u8981\u7d20\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u306f<code>&lt;h1&gt;<\/code>\u306e\u3059\u3050\u5f8c\u306b\u7d9a\u304f<code>&lt;p&gt;<\/code>\u8981\u7d20\u3060\u3051\u306b<code>\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/code><\/li>\n\n\n\n<li><strong>\u4e00\u81f4\u30bb\u30ec\u30af\u30bf\uff1a<\/strong><code>h1 ~ p<\/code><br>\u7279\u5b9a\u306e\u8981\u7d20\u306e\u5f8c\u306b\u7d9a\u304f\u3059\u3079\u3066\u306e\u540c\u3058\u968e\u5c64\u306e\u8981\u7d20\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u4f8b\u3068\u3057\u3066\u3001<code>h1 ~ p<\/code>\u306f<code>&lt;h1&gt;<\/code>\u306e\u5f8c\u306b\u7d9a\u304f\u3059\u3079\u3066\u306e<code>&lt;p&gt;<\/code>\u8981\u7d20\u306b<code>\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u307e\u3059<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u5c5e\u6027\u30bb\u30ec\u30af\u30bf\uff1a<\/strong><code>[type=\"text\"]<\/code><br>\u7279\u5b9a\u306e\u5c5e\u6027\u5024\u3092\u6301\u3064\u8981\u7d20\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u4f8b\u3068\u3057\u3066\u3001<code>[type=\"text\"]<\/code>\u306f<code>type<\/code>\u5c5e\u6027\u304c<code>text<\/code>\u306e\u8981\u7d20\u306b<code>\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u307e\u3059<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u64ec\u4f3c\u30af\u30e9\u30b9\uff1a<\/strong><code>:hover<\/code>, <code>:focus<\/code><br>\u7279\u5b9a\u306e\u72b6\u614b\u306b\u3042\u308b\u8981\u7d20\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<code>:hover<\/code>\u306f\u30de\u30a6\u30b9\u30ab\u30fc\u30bd\u30eb\u304c\u8981\u7d20\u4e0a\u306b\u3042\u308b\u3068\u304d\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u64ec\u4f3c\u8981\u7d20\uff1a<\/strong> <code>::before<\/code>, <code>::after<\/code><br>\u8981\u7d20\u306e\u7279\u5b9a\u306e\u90e8\u5206\u306b\u5bfe\u3057\u3066\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<code>::before<\/code>\u306f\u8981\u7d20\u306e\u524d\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8ffd\u52a0\u3059\u308b\u969b\u306a\u3069\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator alignwide has-alpha-channel-opacity vk_block-margin-md--margin-top\"\/>\n\n\n\n<h5 class=\"wp-block-heading ticss-eb2f2df5 vk_block-margin-0--margin-bottom vk_block-margin-md--margin-top\" style=\"font-size:24px\"><span class=\"ez-toc-section\" id=\"%E8%A6%81%E7%B4%A0%E3%82%BB%E3%83%AC%E3%82%AF%E3%82%BF%E3%81%AE%E4%BE%8B\"><\/span>\u8981\u7d20\u30bb\u30ec\u30af\u30bf\u306e\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h5>\n\n\n\n<p class=\"has-text-align-center vk_block-margin-sm--margin-top vk_block-margin-sm--margin-bottom\">\u30bb\u30ec\u30af\u30bf\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3001\u5024\u306e3\u3064\u306e\u8981\u7d20\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001HTML\u8981\u7d20\u306b\u5177\u4f53\u7684\u306a\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>h1 {\n  color: blue; \/* \u6587\u5b57\u8272\u3092\u9752\u8272\u306b\u3059\u308b *\/\n  font-size: 24px; \/* \u6587\u5b57\u306e\u5927\u304d\u3055\u309224px\u306b\u3059\u308b *\/\n  font-weight: bold; \/* \u6587\u5b57\u3092\u592a\u5b57\u306b\u3059\u308b *\/\n}\n<\/code><\/pre><\/div>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001<code class=\"\">h1<\/code>\u8981\u7d20\u306b\u5bfe\u3057\u3066\u3001\u6587\u5b57\u8272\u3092\u9752\u8272\u3001\u6587\u5b57\u306e\u5927\u304d\u3055\u309224px\u3001\u6587\u5b57\u3092\u592a\u5b57\u306b\u3059\u308b\u30b9\u30bf\u30a4\u30eb\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading vk_block-margin-md--margin-top vk_block-margin-sm--margin-bottom\" style=\"font-size:24px\"><span class=\"ez-toc-section\" id=\"%E5%AD%90%E5%AD%AB%E3%82%BB%E3%83%AC%E3%82%AF%E3%82%BF%E3%81%AE%E4%BE%8B%EF%BC%9Aheader_div_p\"><\/span>\u5b50\u5b6b\u30bb\u30ec\u30af\u30bf\u306e\u4f8b\uff1a<code>header<\/code> <code>div p<\/code><span class=\"ez-toc-section-end\"><\/span><\/h5>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\" data-line=\"4,6,10\"><code>    &lt;header&gt;\n        &lt;div class=&quot;section&quot;&gt;\n            &lt;h1&gt;\u30e1\u30a4\u30f3\u30bf\u30a4\u30c8\u30eb&lt;\/h1&gt;\n            &lt;p&gt;\u3053\u306e\u6bb5\u843d\u306f\u3001header\u5185\u306ediv\u5185\u306b\u3042\u308a\u307e\u3059\u3002&lt;\/p&gt;\n            &lt;div class=&quot;sub-section&quot;&gt;\n                &lt;p&gt;\u3053\u306e\u6bb5\u843d\u3082\u3001header\u5185\u306ediv\u5185\u306b\u3042\u308a\u307e\u3059\u3002&lt;\/p&gt;\n            &lt;\/div&gt;\n        &lt;\/div&gt;\n        &lt;div&gt;\n            &lt;p&gt;\u3053\u306e\u6bb5\u843d\u306fheader\u5185\u306ediv\u5185\u306b\u3042\u308a\u307e\u3059\u3002&lt;\/p&gt;\n        &lt;\/div&gt;\n    &lt;\/header&gt;\n    &lt;div class=&quot;another-section&quot;&gt;\n        &lt;p&gt;\u3053\u306e\u6bb5\u843d\u306fheader\u5185\u306b\u306f\u3042\u308a\u307e\u305b\u3093\u3002&lt;\/p&gt;\n    &lt;\/div&gt;<\/code><\/pre><\/div>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>header div p {\n    background-color: yellow; \/* \u80cc\u666f\u8272\u3092\u9ec4\u8272\u306b\u8a2d\u5b9a *\/\n}<\/code><\/pre><\/div>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001header\u5185\u306ediv\u5185\u306eP\u8981\u7d20\u306b\u5bfe\u3057\u3066\u80cc\u666f\u8272\u3092\u9ec4\u8272\u306b\u3059\u308b\u30b9\u30bf\u30a4\u30eb\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading vk_block-margin-md--margin-top vk_block-margin-sm--margin-bottom\" style=\"font-size:24px\"><span class=\"ez-toc-section\" id=\"%E9%9A%A3%E6%8E%A5%E3%82%BB%E3%83%AC%E3%82%AF%E3%82%BF%E3%81%AE%E4%BE%8B%EF%BC%9Ah1_p\"><\/span>\u96a3\u63a5\u30bb\u30ec\u30af\u30bf\u306e\u4f8b\uff1ah1 + p<span class=\"ez-toc-section-end\"><\/span><\/h5>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\" data-line=\"2\"><code>&lt;h1&gt;\u30bf\u30a4\u30c8\u30eb&lt;\/h1&gt;\n&lt;p&gt;\u3053\u306e\u6bb5\u843d\u304c\u30b9\u30bf\u30a4\u30eb\u3055\u308c\u307e\u3059\u3002&lt;\/p&gt;\n&lt;p&gt;\u3053\u306e\u6bb5\u843d\u306f\u30b9\u30bf\u30a4\u30eb\u3055\u308c\u307e\u305b\u3093\u3002&lt;\/p&gt;<\/code><\/pre><\/div>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>h1 + p{\n   text-decoration:underline; \/* \u6587\u5b57\u306b\u4e0b\u7dda\u3092\u3064\u3051\u308b *\/\n}<\/code><\/pre><\/div>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001h1 \u8981\u7d20\u306e\u3059\u3050\u5f8c\u306b\u7d9a\u304f p \u8981\u7d20\u306e\u307f\u306b\u30c6\u30ad\u30b9\u30c8\u306b\u4e0b\u7dda\u30b9\u30bf\u30a4\u30eb\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading vk_block-margin-sm--margin-bottom\" style=\"font-size:24px\"><span class=\"ez-toc-section\" id=\"%E4%B8%80%E8%87%B4%E3%82%BB%E3%83%AC%E3%82%AF%E3%82%BF%E3%81%AE%E4%BE%8B%EF%BC%9Ah1_p\"><\/span><strong>\u4e00\u81f4\u30bb\u30ec\u30af\u30bf<\/strong>\u306e\u4f8b\uff1a<code>h1 ~ p<\/code><span class=\"ez-toc-section-end\"><\/span><\/h5>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\" data-line=\"3,4,15,16\"><code>&lt;header&gt;\n        &lt;h1&gt;\u898b\u51fa\u30571&lt;\/h1&gt;\n        &lt;p class=&quot;apply-style&quot;&gt;\u3053\u306e\u6bb5\u843d\u306f\u3001h1\u306e\u5f8c\u306b\u7d9a\u304f\u5144\u5f1f\u306ep\u8981\u7d20\u3067\u3059\u3002\u30b9\u30bf\u30a4\u30eb\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002&lt;\/p&gt;\n        &lt;p class=&quot;apply-style&quot;&gt;\u3053\u306e\u6bb5\u843d\u3082\u3001h1\u306e\u5f8c\u306b\u7d9a\u304f\u5144\u5f1f\u306ep\u8981\u7d20\u3067\u3059\u3002\u30b9\u30bf\u30a4\u30eb\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002&lt;\/p&gt;\n        &lt;div&gt;\n            &lt;p class=&quot;no-style&quot;&gt;\u3053\u306e\u6bb5\u843d\u306f\u3001h1\u306e\u5f8c\u306b\u7d9a\u304f\u5144\u5f1f\u306ep\u8981\u7d20\u3067\u306f\u306a\u304f\u3001div\u5185\u306b\u3042\u308a\u307e\u3059\u3002\u30b9\u30bf\u30a4\u30eb\u306f\u9069\u7528\u3055\u308c\u307e\u305b\u3093\u3002&lt;\/p&gt;\n        &lt;\/div&gt;\n    &lt;\/header&gt;\n    &lt;section&gt;\n        &lt;h2&gt;\u898b\u51fa\u30572&lt;\/h2&gt;\n        &lt;p class=&quot;apply-style&quot;&gt;\u3053\u306e\u6bb5\u843d\u306f\u3001h2\u306e\u5f8c\u306b\u7d9a\u304f\u5144\u5f1f\u306ep\u8981\u7d20\u3067\u3059\u3002\u30b9\u30bf\u30a4\u30eb\u306f\u9069\u7528\u3055\u308c\u307e\u305b\u3093\u3002&lt;\/p&gt;\n    &lt;\/section&gt;\n    &lt;footer&gt;\n        &lt;h1&gt;\u898b\u51fa\u30571 in Footer&lt;\/h1&gt;\n        &lt;p class=&quot;apply-style&quot;&gt;\u3053\u306e\u6bb5\u843d\u306f\u3001footer\u5185\u306eh1\u306e\u5f8c\u306b\u7d9a\u304f\u5144\u5f1f\u306ep\u8981\u7d20\u3067\u3059\u3002\u30b9\u30bf\u30a4\u30eb\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002&lt;\/p&gt;\n        &lt;p class=&quot;apply-style&quot;&gt;\u3053\u306e\u6bb5\u843d\u3082\u3001footer\u5185\u306eh1\u306e\u5f8c\u306b\u7d9a\u304f\u5144\u5f1f\u306ep\u8981\u7d20\u3067\u3059\u3002\u30b9\u30bf\u30a4\u30eb\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002&lt;\/p&gt;\n    &lt;\/footer&gt;<\/code><\/pre><\/div>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>h1 ~ p {\n    font-family: Arial, sans-serif; \/* \u30d5\u30a9\u30f3\u30c8\u3092Arial\u306b\u8a2d\u5b9a *\/\n}<\/code><\/pre><\/div>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001h1\u306e\u5f8c\u306b\u7d9a\u304f\u3059\u3079\u3066\u306e\u5144\u5f1fp\u8981\u7d20\u306b\u30d5\u30a9\u30f3\u30c8\u306e\u7a2e\u985e\u3092Arial\u306b\u3059\u308b\u30b9\u30bf\u30a4\u30eb\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading is-style-vk-heading-dotted_bottomborder_black vk_block-margin-sm--margin-bottom vk_block-margin-md--margin-top has-medium-font-size\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\"><span class=\"ez-toc-section\" id=\"2_%E3%83%97%E3%83%AD%E3%83%91%E3%83%86%E3%82%A3%EF%BC%88Property%EF%BC%89\"><\/span>2. \u30d7\u30ed\u30d1\u30c6\u30a3\uff08Property\uff09<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u30b9\u30bf\u30a4\u30eb\u306e\u7a2e\u985e\u3084\u5c5e\u6027\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u3069\u306e\u5c5e\u6027\u3092\u5909\u66f4\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u4f8b:<\/strong> <code>color<\/code>, <code>font-size<\/code>, <code>margin<\/code><\/p>\n\n\n\n<p><strong>\u4f8b\u6587:<\/strong> <code>color<\/code>\u306f\u3001\u6587\u5b57\u306e\u8272\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading is-style-vk-heading-dotted_bottomborder_black vk_block-margin-sm--margin-bottom vk_block-margin-md--margin-top has-medium-font-size\" style=\"padding-top:0;padding-bottom:0\"><span class=\"ez-toc-section\" id=\"3_%E5%80%A4%EF%BC%88Value%EF%BC%89\"><\/span>3. \u5024\uff08Value\uff09<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u5024\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u5177\u4f53\u7684\u306a\u8a2d\u5b9a\u3092\u4e0e\u3048\u308b\u3082\u306e\u3067\u3059\u3002\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066\u3001\u4f7f\u7528\u3067\u304d\u308b\u5024\u306e\u7a2e\u985e\u304c\u7570\u306a\u308a\u307e\u3059\u3002<br>\u4f8b\u3048\u3070\u3001<code class=\"\">color<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u306f\u3001<code class=\"\">#FF0000<\/code>\u306e\u3088\u3046\u306a16\u9032\u6570\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\u3084\u3001<code class=\"\">red<\/code>\u306e\u3088\u3046\u306a\u8272\u540d\u306a\u3069\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading is-style-vk-heading-dotted_bottomborder_black vk_block-margin-sm--margin-top vk_block-margin-sm--margin-bottom has-medium-font-size\" style=\"padding-top:0;padding-bottom:0\"><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>CSS\u306e\u30bb\u30ec\u30af\u30bf\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3001\u5024\u306f\u3001Web\u30da\u30fc\u30b8\u306e\u898b\u305f\u76ee\u3092\u88c5\u98fe\u3059\u308b\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u8981\u7d20\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u8981\u7d20\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u81ea\u7531\u5ea6\u306e\u9ad8\u3044\u30c7\u30b6\u30a4\u30f3\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u4e0b\u8a18URL\u306e\u30b5\u30f3\u30d7\u30eb\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u306e\u3067\u30d6\u30c3\u30af\u30de\u30fc\u30af\u3092\u3057\u3066\u304a\u304f\u4e8b\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u53c2\u8003\uff1a<a href=\"https:\/\/webliker.info\/css-selector-cheat-sheet\/\" target=\"_blank\" rel=\"noreferrer noopener\">CSS\u30bb\u30ec\u30af\u30bf\u306e\u30c1\u30fc\u30c8\u30b7\u30fc\u30c8\uff5c37\u30d1\u30bf\u30fc\u30f3\u3092\u4e00\u89a7\u3067\u89e3\u8aac<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>CSS\u3068\u306f CSS\uff08\u30ab\u30b9\u30b1\u30fc\u30c7\u30a3\u30f3\u30b0\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\uff09\u306f\u898b\u305f\u76ee\u3092\u88c5\u98fe\u3059\u308b\u305f\u3081\u306e\u8a00\u8a9e\u3067\u3059\u3002\u30bb\u30ec\u30af\u30bf\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3001\u5024\u306e3\u3064\u306e\u8981\u7d20\u304c\u7d44\u307f\u5408\u308f\u3055\u3063\u3066\u3001HTML\u8981\u7d20\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u307e\u3059\u3002 Google Chrome \u306a\u3069\u306e\u30d6\u30e9\u30a6\u30b6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1833,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_themeisle_gutenberg_block_has_review":false,"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","_veu_custom_css":"","veu_display_promotion_alert":"common","vkexunit_cta_each_option":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[17],"tags":[],"class_list":["post-402","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web-coding"],"veu_head_title_object":{"title":"","add_site_title":""},"jetpack_featured_media_url":"https:\/\/i0.wp.com\/nekomata3.net\/blog\/wp-content\/uploads\/2025\/02\/webcoding.webp?fit=1200%2C687&ssl=1","jetpack-related-posts":[{"id":1290,"url":"https:\/\/nekomata3.net\/?p=1290","url_meta":{"origin":402,"position":0},"title":"Part2 SNS\u30ea\u30f3\u30af\u96c6\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046","author":"neko","date":"2024\u5e7410\u670822\u65e5","format":false,"excerpt":"HTML\u3068CSS\u3092\u4f7f\u7528\u3057\u3066\u7c21\u5358\u306a\u30da\u30fc\u30b8\u3092\u4f5c\u6210 \u30da\u30fc\u30b8\u30ec\u30a4\u30a2\u30a6\u30c8\u5236\u4f5c\u5b9f\u7fd2 \u30a8\u30c7\u30a3\u30bf\u30fc\u30bd\u30d5\u30c8\u4f7f\u7528\u6cd5 HT\u2026","rel":"","context":"web coding","block_context":{"text":"web coding","link":"https:\/\/nekomata3.net\/?cat=17"},"img":{"alt_text":"webcording\u30ab\u30c6\u30b4\u30ea\u30fc\u306e\u5171\u901a\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf","src":"https:\/\/i0.wp.com\/nekomata3.net\/blog\/wp-content\/uploads\/2025\/02\/webcoding.webp?fit=1200%2C687&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/nekomata3.net\/blog\/wp-content\/uploads\/2025\/02\/webcoding.webp?fit=1200%2C687&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/nekomata3.net\/blog\/wp-content\/uploads\/2025\/02\/webcoding.webp?fit=1200%2C687&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/nekomata3.net\/blog\/wp-content\/uploads\/2025\/02\/webcoding.webp?fit=1200%2C687&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/nekomata3.net\/blog\/wp-content\/uploads\/2025\/02\/webcoding.webp?fit=1200%2C687&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":1124,"url":"https:\/\/nekomata3.net\/?p=1124","url_meta":{"origin":402,"position":1},"title":"\u76f8\u5bfe\u30d1\u30b9","author":"neko","date":"2024\u5e7410\u670813\u65e5","format":false,"excerpt":"\u76f8\u5bfe\u30d1\u30b9\u3068\u306f\u3001\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u3084\u30d5\u30a9\u30eb\u30c0\u3092\u8d77\u70b9\u3068\u3057\u3066\u3001\u305d\u3053\u304b\u3089\u76ee\u7684\u306e\u30d5\u30a1\u30a4\u30eb\u3084\u30d5\u30a9\u30eb\u30c0\u307e\u3067\u306e\u76f8\u5bfe\u7684\u306a\u4f4d\u7f6e\u2026","rel":"","context":"web coding","block_context":{"text":"web 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