* { margin:0; padding:0; } div { width:100%; height:500px; margin:50px 0; } .red { background:red; } .orange { background:orange; } .yellow { background:yellow; } .green { background:green; } .cyan { background:cyan; } .blue { background:blue; } .purple { background:purple; } ul { list-style:none; position:fixed; top:25%; left:10px; } ul li a { text-decoration:none; color:slateblue; } ul li { padding:15px 10px; border:1px solid skyblue; border-radius:5px; } .active { background:black; }
更新时间:2020-09-06 23:45:06