我用CSS写了个小三角形，像很多导航栏鼠标指上去，下面就有个那样的三角形，我想问，怎么才能让那CSS写的三角型在我点击时才出来？在只有一个三角型的情况下！
This topic created in 4709 days ago, the information mentioned may be changed or developed.
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zdhxiong Jul 11, 2013
<style>
.triangle{ display:none; } .nav:active .triangle{ display:block; } </style> <a href="" class="nav"> <div>导航栏</div> <div class="triangle">三角形</div> </a> |
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2
romoo Jul 11, 2013 via iPhone
:active
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3
liyandong Jul 11, 2013
:active
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