{"height":"190","provider_name":"Hatena Blog","blog_url":"https://yagisuke.hatenadiary.com/","blog_title":"yagisuke\u306eWeb\u306a\u30d6\u30ed\u30b0","type":"rich","published":"2014-11-16 01:39:01","provider_url":"https://hatena.blog","width":"100%","title":":before\u64ec\u4f3c\u8981\u7d20\u306b\u96a3\u63a5\u30bb\u30ec\u30af\u30bf\u3092\u3064\u3051\u3066\u76f4\u5f8c\u306e\u8981\u7d20\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u5f53\u3066\u305f\u3089\u3069\u3046\u306a\u308b\u304b","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyagisuke.hatenadiary.com%2Fentry%2F2014%2F11%2F16%2F013901\" title=\":before\u64ec\u4f3c\u8981\u7d20\u306b\u96a3\u63a5\u30bb\u30ec\u30af\u30bf\u3092\u3064\u3051\u3066\u76f4\u5f8c\u306e\u8981\u7d20\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u5f53\u3066\u305f\u3089\u3069\u3046\u306a\u308b\u304b - yagisuke\u306eWeb\u306a\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/yagi_suke/","description":"\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\u306eHTML\u3092\u898b\u3066\u3001::before\u306b\u96a3\u63a5\u30bb\u30ec\u30af\u30bf\u3067\u76f4\u5f8c\u306e\u8981\u7d20\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u5f53\u3066\u3089\u308c\u308b\u3093\u3058\u3083\u306a\u3044\uff1f\uff1f\u3068\u524d\u3005\u304b\u3089\u5bc6\u304b\u306b\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u5b9f\u9a13\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u4eee\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u5f53\u3066\u3089\u308c\u308b\u3068\u3057\u3066\u3082\u3001\u4f7f\u3046\u5834\u9762\u306f\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u30ef\u30e9 HTML <p class=\"text\"> <span class=\"text__mess\">\u305f\u3081\u3057\u3066\u304c\u3063\u3066\u3093\uff01\uff01</span> </p> CSS .text:before { content: \"\"; } .text:before + .text__mess { color: red; } \u305d\u308c\u3067\u306f\u7d50\u679c\u3067\u3059\u3002 mac\u306b\u30a4\u30f3\u30b9\u30fc\u30eb\u3057\u305fChrome\u3067\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002 \u30c6\u30ad\u2026","categories":["CSS"],"image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/y/yagi_suke/20141116/20141116011427.png","version":"1.0","author_name":"yagi_suke","url":"https://yagisuke.hatenadiary.com/entry/2014/11/16/013901"}