{"id":1455,"date":"2025-10-21T23:56:07","date_gmt":"2025-10-21T14:56:07","guid":{"rendered":"http:\/\/sekimoto-works.com\/portfolio\/?p=1455"},"modified":"2026-02-13T01:22:39","modified_gmt":"2026-02-12T16:22:39","slug":"training-diary-39","status":"publish","type":"post","link":"http:\/\/sekimoto-works.com\/portfolio\/archives\/1455","title":{"rendered":"\u5b66\u79d1 HTML\/CSS\u57fa\u790e\u2464\u3000\u5404\u7a2e\u30d7\u30ed\u30d1\u30c6\u30a3"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u25c6\u30aa\u30f3\u30e9\u30a4\u30f3\u8a13\u7df4\uff0825\/10\/21\uff09<\/h2>\n\n\n\n<p>\u8b1b\u5e2b\uff1a\u5c0f\u8c37\u7965\u543e\u5148\u751f<br>\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u8cc7\u6599\uff1a\u306a\u3057<\/p>\n\n\n\n<p>1\u9650\u76ee<br>\u5b66\u79d1 HTML\/CSS\u57fa\u790e\u2464<br>CSS\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u3064\u3044\u3066<\/p>\n\n\n\n<p>2\u9650\u76ee<br>\u5b66\u79d1 HTML\/CSS\u57fa\u790e\u2464<br>CSS\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u3064\u3044\u3066<\/p>\n\n\n\n<p>3\u9650\u76ee<br>\u5b66\u79d1 HTML\/CSS\u57fa\u790e\u2464<br>CSS\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u3064\u3044\u3066<\/p>\n\n\n\n<p>4\u9650\u76ee<br>\u5b66\u79d1 HTML\/CSS\u57fa\u790e\u2464<br>CSS\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u3064\u3044\u3066<\/p>\n\n\n\n<p>5\u9650\u76ee<br>\u5b66\u79d1 HTML\/CSS\u57fa\u790e\u2464<br>\u672c\u65e5\u306e\u8b1b\u7fa9\u306e\u307e\u3068\u3081<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6\u672c\u65e5\u306e\u30c6\u30fc\u30de<\/h2>\n\n\n\n<p>CSS\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25bcCSS\u306e\u8a18\u8ff0\u30fb\u691c\u8a3c\u30c4\u30fc\u30eb\u306e\u6d3b\u7528<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u3010\u307e\u3068\u3081\u30b5\u30a4\u30c8\u3011<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HTML\u3068CSS\u306e\u57fa\u790e\u3092\u307e\u3068\u3081\u305f\u30b5\u30a4\u30c8<br><a href=\"https:\/\/samplesdl.me\/training_html-css\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/samplesdl.me\/training_html-css\/<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3010\u52d5\u753b\u3011<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CSS\u306e\u8a18\u8ff0\u65b9\u6cd5\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u30fb\u691c\u8a3c\u30c4\u30fc\u30eb\u306e\u6d3b\u7528<br><a href=\"https:\/\/youtu.be\/j-LrqX5K9SM\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/youtu.be\/j-LrqX5K9SM<\/a>\uff086\u520643\u79d2\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25bcCSS\uff1a\u30d0\u30c3\u30af\u30b0\u30e9\u30f3\u30c9\u7cfb\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>background-color \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u80cc\u666f\u8272\uff09<\/li>\n\n\n\n<li>background-attachment 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noopener\">CSS\u306ebackground-image\u3092\u4f7f\u3044\u3053\u306a\u3059! \u4f7f\u3044\u65b9\u304b\u3089\u8abf\u6574\u307e\u3067\u5fb9\u5e95\u89e3\u8aac<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/jajaaan.co.jp\/web-production\/frontend\/css-background\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u3010CSS\u3011\u80cc\u666f\u8272\u30fb\u80cc\u666f\u753b\u50cf\u3092\u30de\u30b9\u30bf\u30fc\uff01background\u306e\u4f7f\u3044\u65b9<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/125naroom.com\/web\/3737\" target=\"_blank\" rel=\"noreferrer noopener\">\u3010CSS\u3011\u4f7f\u3048\u308b\u80cc\u666f\u30d1\u30bf\u30fc\u30f3\u3001\u5b9f\u88c5\u30b5\u30f3\u30d7\u30eb25\u9078\uff08\u30b3\u30d4\u30da\u3067\u7c21\u5358\u3067\u3059\uff09<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25bcCSS\uff1a\u30c6\u30ad\u30b9\u30c8\u7cfb\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>color 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href=\"https:\/\/www.sejuku.net\/blog\/55154\" target=\"_blank\" rel=\"noreferrer noopener\">CSS\u306eopacity\u3067\u8981\u7d20\u3092\u3061\u3087\u3063\u3068\u900f\u660e\u306b\u3059\u308b\u65b9\u6cd5\u3068\u6d3b\u7528\u6cd5\u307e\u3068\u3081<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/webst8.com\/code\/css-text-decoration\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u3010CSS text-decoration\u306e\u4f7f\u3044\u65b9\u3011\u6587\u5b57\u30c6\u30ad\u30b9\u30c8\u306e\u88c5\u98fe\u65b9\u6cd5<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/shanabrian.com\/web\/css3\/text-shadow.php\" target=\"_blank\" rel=\"noreferrer noopener\">\u6587\u5b57\u306b\u5f71\uff08\u30c9\u30ed\u30c3\u30d7\u30b7\u30e3\u30c9\u30a6\uff09\u3092\u4ed8\u3051\u308b<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25bcCSS\uff1a\u30d5\u30a9\u30f3\u30c8\u7cfb\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>font-family 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noopener\">\u30102025\u5e74\u7248\u3011font-family\u306e\u6b63\u3057\u3044\u6307\u5b9a\u65b9\u6cd5\u30fb\u30bf\u30a4\u30d7\u5225\u304a\u3059\u3059\u3081\u30d5\u30a9\u30f3\u30c8\u8a2d\u5b9a\u4f8b<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/webukatu.com\/wordpress\/blog\/13364\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u3010font-family\u3011CSS\u6587\u5b57\u30d5\u30a9\u30f3\u30c8\u6307\u5b9a\u306e\u57fa\u672c\u3068\u6ce8\u610f\u70b9\u3092\u5fb9\u5e95\u89e3\u8aac\uff01<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/creatopia.jp\/media\/59232\" target=\"_blank\" rel=\"noreferrer noopener\">\u3010CSS\u3011\u30d5\u30a9\u30f3\u30c8\u306e\u8a2d\u5b9a\u3092\u4e00\u62ec\u6307\u5b9a\u3059\u308bfont\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u4f7f\u3044\u65b9\u3068\u5024\u4e00\u89a7<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25bcCSS\uff1a\u30ea\u30b9\u30c8\u7cfb\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>list-style-type 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href=\"https:\/\/www.sejuku.net\/blog\/56177\" target=\"_blank\" rel=\"noreferrer noopener\">CSS\u3067\u30ea\u30b9\u30c8\u3092\u7d20\u6575\u306b\u3059\u308blist-style\u306e\u4f7f\u3044\u65b9+\u3082\u3063\u3068\u81ea\u7531\u306a\u4f5c\u308a\u65b9<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/saruwakakun.com\/html-css\/reference\/list-style-type\" target=\"_blank\" rel=\"noreferrer noopener\">\u3010CSS\u3011list-style-type\u306e\u4f7f\u3044\u65b9\uff1a\u7b87\u6761\u66f8\u304d\u306e\u30de\u30fc\u30ab\u30fc\u7a2e\u985e\u3092\u5909\u3048\u308b<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25bcCSS\uff1a\u30ec\u30a4\u30a2\u30a6\u30c8\u7cfb\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>width \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u5185\u5bb9\u306e\u5e45\uff09<\/li>\n\n\n\n<li>max-width \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u5e45\u306e\u6700\u5927\u5024\uff09<\/li>\n\n\n\n<li>min-width \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u5e45\u306e\u6700\u5c0f\u5024\uff09<\/li>\n\n\n\n<li>height \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u5185\u5bb9\u306e\u9ad8\u3055\uff09<\/li>\n\n\n\n<li>max-height \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u9ad8\u3055\u306e\u6700\u5927\u5024\uff09<\/li>\n\n\n\n<li>min-height\u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u9ad8\u3055\u306e\u6700\u5c0f\u5024\uff09<\/li>\n\n\n\n<li>float \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u56de\u308a\u8fbc\u307f\uff09<\/li>\n\n\n\n<li>clear \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u56de\u308a\u8fbc\u307f\u3092\u89e3\u9664\uff09<\/li>\n\n\n\n<li>position\/top\/left\/bottom\/right \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u8981\u7d20\u306e\u914d\u7f6e\u65b9\u6cd5\uff09<\/li>\n\n\n\n<li>z-index \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u91cd\u306a\u308a\u306e\u9806\u5e8f\u65b9\u6cd5\uff09<\/li>\n\n\n\n<li>display \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u8981\u7d20\u306e\u8868\u793a\u65b9\u6cd5\uff09<\/li>\n\n\n\n<li>overflow \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u30dc\u30c3\u30af\u30b9\u304b\u3089\u3042\u3075\u308c\u305f\u5185\u5bb9\u306e\u51e6\u7406\u65b9\u6cd5\uff09<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u53c2\u8003\u30b5\u30a4\u30c8<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/saruwakakun.com\/html-css\/basic\/width-height\" target=\"_blank\" rel=\"noreferrer noopener\">CSS\u306ewidth\uff08\u5e45\uff09\u3068height\uff08\u9ad8\u3055\uff09\u306e\u6307\u5b9a\u65b9\u6cd5\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3088\u3046<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.itra.co.jp\/webmedia\/float-property.html\" target=\"_blank\" rel=\"noreferrer noopener\">\u3010\u521d\u5fc3\u8005\u5411\u3051\uff01\u3011CSS float\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u56f3\u89e3\u3067\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\uff01<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/saruwakakun.com\/html-css\/basic\/relative-absolute-fixed\" target=\"_blank\" rel=\"noreferrer noopener\">CSS\u306eposition\u3092\u7dcf\u307e\u3068\u3081\uff01absolute\u3084fixed\u306e\u4f7f\u3044\u65b9\u306f\uff1f<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25bcCSS\uff1a\u30dc\u30fc\u30c0\u30fc\u7cfb\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>border-style \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u30dc\u30fc\u30c0\u30fc\u30b9\u30bf\u30a4\u30eb\uff09<\/li>\n\n\n\n<li>border-color \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u30dc\u30fc\u30c0\u30fc\u8272\uff09<\/li>\n\n\n\n<li>border-width \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u30dc\u30fc\u30c0\u30fc\u5e45\uff09<\/li>\n\n\n\n<li>border \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u30dc\u30fc\u30c0\u30fc\u4e00\u62ec\u6307\u5b9a\uff09<\/li>\n\n\n\n<li>border-top\/-bottom\/-left\/-right \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u30dc\u30fc\u30c0\u30fc\u4e0a\u4e0b\u5de6\u53f3\u4e00\u62ec\u6307\u5b9a\uff09<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u53c2\u8003\u30b5\u30a4\u30c8<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/zero-plus.io\/media\/css-border\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u3010CSS\u3011border\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u67a0\u7dda\uff08\u30dc\u30fc\u30c0\u30fc\uff09\u3092\u30c7\u30b6\u30a4\u30f3\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.sejuku.net\/blog\/41507\" target=\"_blank\" rel=\"noreferrer noopener\">\u3010CSS\u5165\u9580\u3011border\u3092\u4f7f\u3044\u3053\u306a\u3059\u305f\u3081\u306e3\u3064\u306e\u30b9\u30c6\u30c3\u30d7<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/techmania.jp\/blog\/css-border\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u3010CSS\u5165\u9580\u3011border\uff08\u67a0\u7dda\uff09\u306e\u8a2d\u5b9a\u65b9\u6cd5\u3092\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u89e3\u8aac\uff01<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25bcCSS\uff1a\u30d1\u30c7\u30a3\u30f3\u30b0\u7cfb\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>padding-top\/-bottom\/-left\/-right \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u30d1\u30c7\u30a3\u30f3\u30b0\u4e0a\u4e0b\u5de6\u53f3\uff09<\/li>\n\n\n\n<li>padding \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u30d1\u30c7\u30a3\u30f3\u30b0\u4e00\u62ec\u6307\u5b9a\uff09<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u53c2\u8003\u30b5\u30a4\u30c8<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/saruwakakun.com\/html-css\/basic\/margin-padding\" target=\"_blank\" rel=\"noreferrer noopener\">CSS\u306emargin\u3068\u306f\uff1fpadding\u3068\u306f\uff1f\u4f59\u767d\u306e\u6307\u5b9a\u65b9\u6cd5\u307e\u3068\u3081<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.sejuku.net\/blog\/85620\" target=\"_blank\" rel=\"noreferrer noopener\">HTML\u306epadding\u306e\u4f7f\u3044\u6240\u3068\u306f\uff1f\u8a2d\u5b9a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/techmania.jp\/blog\/css-margin-padding\/\" target=\"_blank\" rel=\"noreferrer noopener\">CSS\u306emargin\u3084padding\u3092\u5b8c\u5168\u306b\u7406\u89e3\u3057\u3066\u4f59\u767d\u3092\u5236\u3059<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25bcCSS\uff1a\u30de\u30fc\u30b8\u30f3\u7cfb\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>margin-top\/-bottom\/-left\/-right \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u30de\u30fc\u30b8\u30f3\u4e0a\u4e0b\u5de6\u53f3\uff09<\/li>\n\n\n\n<li>margin \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u30de\u30fc\u30b8\u30f3\u4e00\u62ec\u63aa\u5b9a\uff09<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30de\u30fc\u30b8\u30f3\u306e\u76f8\u6bba<\/li>\n\n\n\n<li>\u30de\u30a4\u30ca\u30b9\u30de\u30fc\u30b8\u30f3<\/li>\n\n\n\n<li>\u30dc\u30c3\u30af\u30b9\u306e\u4e2d\u592e\u914d\u7f6e<\/li>\n\n\n\n<li>\u30dc\u30c3\u30af\u30b9\u306e\u53f3\u7aef\u914d\u7f6e<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u53c2\u8003\u30b5\u30a4\u30c8<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/web.hazu.jp\/margin-sousatsu\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u3010CSS\u3011margin \u306e\u76f8\u6bba\u3092\u7406\u89e3\u3059\u308b<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/coliss.com\/articles\/build-websites\/operation\/css\/all-about-margin-auto-in-css.html\" target=\"_blank\" rel=\"noreferrer noopener\">CSS\u306emargin: auto;\u306e\u4ed5\u7d44\u307f\u3092\u304a\u3055\u3089\u3044\u3001\u6700\u8fd1\u306e\u5b9f\u88c5\u3067\u4f7f\u7528\u3055\u308c\u308b\u4e2d\u592e\u914d\u7f6e\u3084\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cdg-blog.jp\/css_negativemargin\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u30cd\u30ac\u30c6\u30a3\u30d6(\u30de\u30a4\u30ca\u30b9)\u30de\u30fc\u30b8\u30f3\u306e\u4f7f\u3044\u65b9\u3068\u6ce8\u610f\u70b9\u3010CSS\u3011<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25bcCSS\uff1a\u305d\u306e\u4ed6\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>border-radius \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u30dc\u30fc\u30c0\u30fc\u306e\u4e38\u307f\uff09<\/li>\n\n\n\n<li>box-shadow \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u30dc\u30c3\u30af\u30b9\u306e\u5f71\uff09<\/li>\n\n\n\n<li>box-sizing \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u30dc\u30c3\u30af\u30b9\u30b5\u30a4\u30ba\u8a08\u7b97\uff09<\/li>\n\n\n\n<li>content \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u633f\u5165\u30b3\u30f3\u30c6\u30f3\u30c4\uff09<\/li>\n\n\n\n<li>object-fit \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u753b\u50cf\u30c8\u30ea\u30df\u30f3\u30b0\uff09<\/li>\n\n\n\n<li>object-position \u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u753b\u50cf\u306e\u914d\u7f6e\u4f4d\u7f6e\u6307\u5b9a\uff09<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u53c2\u8003\u30b5\u30a4\u30c8<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.webcreatorbox.com\/blog\/border-radius\" target=\"_blank\" rel=\"noreferrer noopener\">\u4eca\u3055\u3089\u805e\u3051\u306a\u3044!? CSS\u306eborder-radius\u3067\u69d8\u3005\u306a\u89d2\u4e38\u306b\u6311\u6226\uff01<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/saruwakakun.com\/html-css\/basic\/box-shadow\" target=\"_blank\" rel=\"noreferrer noopener\">\u3010CSS\u3011box-shadow\u3067\u5f71\u3092\u3064\u3051\u308b\u65b9\u6cd5\u3068\u30b5\u30f3\u30d7\u30eb\u96c6<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.webcreatorbox.com\/blog\/object-fit\" target=\"_blank\" rel=\"noreferrer noopener\">1\u884c\u8ffd\u52a0\u3067OK\uff01CSS\u3060\u3051\u3067\u753b\u50cf\u3092\u30c8\u30ea\u30df\u30f3\u30b0\u3067\u304d\u308b\u300cobject-fit\u300d\u30d7\u30ed\u30d1\u30c6\u30a3\u30fc<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6\u672c\u65e5\u306e\u8ab2\u984c<\/h2>\n\n\n\n<p>\u672c\u65e5\u5b66\u3093\u3060\u5185\u5bb9\u3092\u5fa9\u7fd2\u3057\u3066\u6574\u7406\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<br>WordPress\u306e\u6295\u7a3f\u30da\u30fc\u30b8\u306b\u5b66\u3093\u3060\u3053\u3068\u3092\u307e\u3068\u3081\u3066\u304a\u304f\u3068\u826f\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\uff10-1\uff0e\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\uff08\u539f\u8272\u5927\u8f9e\u5178\uff0916\u9032\u6570\u306b\u3088\u308b\u898f\u5b9a<\/strong><br>\u30000\uff5e9\u3068a\uff5ef\u306e16\u6587\u5b57\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u898f\u5b9a\u3055\u308c\u308b\u3002<br>\u3000\u3000\u9ed2\uff1a#000000\u2192#000\u3067OK<br>\u3000\u3000\u767d\uff1a#ffffff\u2192#fff\u3067OK<\/p>\n\n\n\n<p><strong>\uff10-2\uff0e\u691c\u8a3c\u30c4\u30fc\u30eb\u306e\u4f7f\u3044\u65b9<\/strong><br>\u3000\u2460css\u304c\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u304b\u8abf\u3079\u308b\u3053\u3068\u304c\u51fa\u6765\u308b<br>\u3000\u2461\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u304c\u51fa\u6765\u308b<\/p>\n\n\n\n<p><strong>\uff10-3\uff0e\u6628\u65e5\u306e\u5fa9\u7fd2<\/strong><br>\u3000\u2460HTML\u306e\u30d4\u30e5\u30a2\u306a\u3082\u306e\u3092\u4f5c\u308b<br>\u3000\u2461\u30ea\u30bb\u30c3\u30c8CSS\u3092\u5165\u308c\u308b<br>\u3000\u2462CSS\u306e\u30d4\u30e5\u30a2\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u4f5c\u308b<br>\u3000\u2463p\u30bf\u30b0\u3067style\u3092\u6307\u5b9a<br>\u3000\u2464class\u3092\u6307\u5b9a\u3057\u8272\u3092\u6307\u5b9a\u3059\u308b<br>\u3000\u2465id\u3092\u4ed8\u4e0e<\/p>\n\n\n\n<p><strong>\uff11\uff0eCSS\uff1a\u30d0\u30c3\u30af\u30b0\u30e9\u30f3\u30c9\u7cfb\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong><br>\u3000\u2460background-color 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