CSS:
* { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; } body { font-family:arial, sans-serif; font-weight:normal; font-size:12px; background:#3f4348 url('http://www.frecosse.com/workshop/accordion_menu/bg.png'); } ul { list-style:none; margin:0; padding:0; width:300px; margin:0 auto; -moz-box-shadow: 0 0 5px #111; -webkit-box-shadow: 0 0 5px #111; box-shadow: 0 0 5px #111; } ul li label { background: #575e63; /* fallback colour */ border-top:1px solid #878e98; border-bottom:1px solid #33373d; color: #fff; text-shadow: 0 1px 1px #000; letter-spacing: 0.09em; background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#575e63), to(#3f4347)); background: -webkit-linear-gradient(top, #575e63, #3f4347); background: -moz-linear-gradient(top, #575e63, #3f4347); background: -ms-linear-gradient(top, #575e63, #3f4347); background: -o-linear-gradient(top, #575e63, #3f4347); } ul li input[type='checkbox'] { display: none; } ul li label { display:block; padding:12px; width:300px; } ul li i { font-size:18px; vertical-align: middle; width:20px; display:inline-block; } ul li span { display:inline; float:right; background:#48515c; border:1px solid #3c434c; border-bottom:1px solid #707781; padding:4px 6px; font-size:10px; -moz-border-radius: 12px; border-radius: 12px; -moz-box-shadow: inset 0 0 10px #111; -webkit-box-shadow: inset 0 0 10px #111; box-shadow: inner 0 0 10px #111; position:relative; } ul li label:hover { background: #566f82; /* fallback colour */ background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#566f82), to(#3e505e)); background: -webkit-linear-gradient(top, #566f82, #3e505e); background: -moz-linear-gradient(top, #566f82, #3e505e); background: -ms-linear-gradient(top, #566f82, #3e505e); background: -o-linear-gradient(top, #566f82, #3e505e); } ul li label:hover span { background:#3e505e; } ul li input[type='checkbox']:checked ~ label { color:orange ; background: #44c6eb; /* fallback colour */ border-top:1px solid #878e98; border-bottom:1px solid #2799db; background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#44c6eb), to(#2799db)); background: -webkit-linear-gradient(top, #44c6eb, #2799db); background: -moz-linear-gradient(top, #44c6eb, #2799db); background: -ms-linear-gradient(top, #44c6eb, #2799db); background: -o-linear-gradient(top, #44c6eb, #2799db); } ul li input[type='checkbox']:checked ~ label span { background: #2173a1; /* fallback colour */ border-top:1px solid #1b5f85; border-bottom:1px solid #4cb1e4; -moz-box-shadow: inset 0 0 5px #111; -webkit-box-shadow: inset 0 0 5px #111; box-shadow: inner 0 0 5px #111; } ul li input[type='checkbox']:checked ~ .options { height: auto; display:block; min-height:40px; max-height:400px; } ul ul { background:#fff; margin:0; padding:0; -moz-box-shadow: inset 0 2px 2px #b3b3b3; -webkit-box-shadow: inset 0 2px 2px #b3b3b3; box-shadow: inner 0 2px 2px #b3b3b3; } ul ul li a { display:block; padding:6px 12px; color:#999; text-decoration:none; } ul ul li a:hover { color:#44c6eb; } ul ul li a span { color:#999; background:none; border:1px solid #ccc; -moz-box-shadow: none; -webkit-box-shadow: none; box-shadow: none; } ul ul li { border-bottom:1px solid #ccc; } ul ul li:first-child { padding-top:6px; } ul ul li:last-child { padding-bottom:6px; border:0; } .options { height: 0; display: block; overflow: hidden; } /* Abridged icomoon font styles /* (Hosted on Frecosse - Please don't hotlink!) =============================================== @font-face { font-family: 'icomoon'; src:url('http://www.frecosse.com/workshop/accordion_menu/icomoon.eot'); src:url('http://www.frecosse.com/workshop/accordion_menu/icomoon.eot?#iefix') format('embedded-opentype'), url('http://www.frecosse.com/workshop/accordion_menu/icomoon.woff') format('woff'), url('http://www.frecosse.com/workshop/accordion_menu/icomoon.ttf') format('truetype'), url('http://www.frecosse.com/workshop/accordion_menu/icomoon.svg#icomoon') format('svg'); font-weight: normal; font-style: normal; } .icon-music:before, .icon-search:before, .icon-fire:before, .icon-dribbble:before, .icon-flickr:before, .icon-deviantart:before, .icon-picassa:before, .icon-reddit:before, .icon-android:before, .icon-users:before, .icon-film:before, .icon-eye:before, .icon-point-right:before, .icon-microphone:before, .icon-download:before, .icon-warning:before, .icon-images:before, .icon-movie:before, .icon-cloud:before { font-family: 'icomoon'; speak: none; font-style: normal; font-weight: normal; line-height: 1; -webkit-font-smoothing: antialiased; } .icon-music:before { content: "\61"; } .icon-search:before { content: "\62"; } .icon-fire:before { content: "\63"; } .icon-dribbble:before { content: "\64"; } .icon-flickr:before { content: "\65"; } .icon-deviantart:before { content: "\66"; } .icon-picassa:before { content: "\67"; } .icon-reddit:before { content: "\68"; } .icon-android:before { content: "\69"; } .icon-users:before { content: "\6a"; } .icon-film:before { content: "\6b"; } .icon-eye:before { content: "\6c"; } .icon-point-right:before { content: "\6d"; } .icon-microphone:before { content: "\6e"; } .icon-download:before { content: "\6f"; } .icon-warning:before { content: "\70"; } .icon-images:before { content: "\71"; } .icon-movie:before { content: "\72"; } .icon-cloud:before { content: "\73"; }*/
转载于:https://www.cnblogs.com/xiaobuild/p/4581907.html
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