boardTest <br /> p{<br /> margin: 50px auto;<br /> padding: 5px 10px 5px 10px;<br /> color: red;<br /> text-align: center;<br /> width: 60px;<br /> }<br /> p:first-child{<br /> border-bottom: 1px solid red;<br /> }<br /> p:last-child{<br /> position: relative;<br /> }<br /> p:last-child:after {<br /> position: absolute;<br /> content: '';<br /> width: 100%;<br /> left: 0;<br /> bottom: 0;<br /> height: 1px;<br /> background-color: red;<br /> -webkit-transform: scale(1,0.5);<br /> transform: scale(1,0.5);<br /> -webkit-transform-origin: center bottom;<br /> transform-origin: center bottom<br /> }<br /> <br /> 点击1 点击2
