最新回答 / 1262485655
<!DOCTYPE html><html><head> <meta charset="UTF-8"> <title>border实现等高布局</title> <style type="text/css"> .clearfix:before, .clearfix:after{ display: table; content: " "; } .clearfix:after{ clear: both; } ...
2017-05-17
已采纳回答 / qq_渣渣的钩子_0
我很好奇你的圆是怎么出来的,连border属性都没有 还有你的id选择器不是应该用#这个吗*是通配符我的是 width: 80px;border-top: 80px dotted red;overflow: hidden;
2017-01-14
已采纳回答 / 光被四表
<div class="add"></div>.add{ width:100px; height:100px; border:1px solid; color:#ccc; transition:color 0.25s; position:relative;}.add:before{ content:" "; display:block; width:60px; height:10px; border-color:#ccc; border-top:10p...
2016-12-29