MAC官方菜单纯CSS实现灰色会换色

请注意里面的背景图片是png透明，所以必须在 li 中设置颜色以挡住 ul 的背景图与 a 的背景图重复叠加。
</p> <p><title><a href="https://kunjuke.com/tag/14159/" title="mac" target="_blank">mac</a><a href="https://kunjuke.com/tag/148/" title="菜单" target="_blank">菜单</a></title> </p> <p><!-- html,body { height:100%; background:#fff; } body { font:12px "宋体",arial,sans-serif; color:#333; } body,form,menu,dir,fieldset,blockquote,p,pre,ul,ol,dl,dd,h1,h2,h3,h4,h5,h6 { padding:0; margin:0; } ul,ol,dl { list-style:none; } #nav { width:982px; height:38px; margin:15px 0 0 10px; overflow:hidden; background:url(//files.jb51.net/demoimg/200911/globalnavbg.png) no-repeat; } #nav li,#nav li a { float:left; display:block; width:117px; height:38px; background:#fff; } #nav li a { width:100%; text-indent:-9999px; background:url(//files.jb51.net/demoimg/200911/globalnavbg.png) no-repeat 0 0; } #nav .n01 { width:118px; } #nav .n01 a:visited { background-position:0 -114px; } #nav .n01 a:hover { background-position:0 -38px; } #nav .n01 a:active { background-position:0 -76px; } #nav .n02 a:link { background-position:-118px 0; } #nav .n02 a:visited { background-position:-118px -114px; } #nav .n02 a:hover { background-position:-118px -38px; } #nav .n02 a:active { background-position:-118px -76px; } #nav .n03 a:link { background-position:-235px 0; } #nav .n03 a:visited { background-position:-235px -114px; } #nav .n03 a:hover { background-position:-235px -38px; } #nav .n03 a:active { background-position:-235px -76px; } #nav .n04 a:link { background-position:-352px 0; } #nav .n04 a:visited { background-position:-352px -114px; } #nav .n04 a:hover { background-position:-352px -38px; } #nav .n04 a:active { background-position:-352px -76px; } #nav .n05 a:link { background-position:-469px 0; } #nav .n05 a:visited { background-position:-469px -114px; } #nav .n05 a:hover { background-position:-469px -38px; } #nav .n05 a:active { background-position:-469px -76px; } #nav .n06 a:link { background-position:-586px 0; } #nav .n06 a:visited { background-position:-586px -114px; } #nav .n06 a:hover { background-position:-586px -38px; } #nav .n06 a:active { background-position:-586px -76px; } #nav .n07 a:link { background-position:-703px 0; } #nav .n07 a:visited { background-position:-703px -114px; } #nav .n07 a:hover { background-position:-703px -38px; } #nav .n07 a:active { background-position:-703px -76px; } --> </p> <ul> <li class="n01"></li> <li class="n02">store</li> <li class="n03">mac</li> <li class="n04">ipod + itunes</li> <li class="n05">iphone</li> <li class="n06">downloads</li> <li class="n07">support</li> </ul> <p>
[ctrl+a 全选 注:如需引入外部js需刷新才能执行]