web前端|css教程
css,选择器,样式表
web前端-css教程
效果如图:
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html 代码:
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css:
.one{background: url(/home/insider/jujz_one.jpg) no-repeat;}.two{background: url(/home/insider/jdbg_one.jpg) no-repeat;}.three{background: url(/home/insider/spbj_one.jpg) no-repeat;}.four{background: url(/home/insider/ssnz_one.jpg) no-repeat;}.fiv{background: url(/home/insider/jpnz_one.jpg) no-repeat;}.six{background: url(/home/insider/hfqz_one.jpg) no-repeat;}.seven{background: url(/home/insider/xbsp_one.jpg) no-repeat;}.cur_item{width: 218px;height: 53px;}.cur_item span.one{background: url(/home/insider/jjjz_two.jpg) no-repeat;}.cur_item span.two{background: url(/home/insider/jdbg_two.jpg) no-repeat;}.cur_item span.three{background: url(/home/insider/spbj_two.jpg) no-repeat;}.cur_item span.four{background: url(/home/insider/ssnz_two.jpg) no-repeat;}.cur_item span.fiv{background: url(/home/insider/jpnz_two.jpg) no-repeat;}.cur_item span.six{background: url(/home/insider/hfqz_two.jpg) no-repeat;}.cur_item span.seven{background: url(/home/insider/xbsp_two.jpg) no-repeat;}
我们点击span(class=’ck_item’)是通过对其父元素p(class=”item “) 动态添加和删除类cur_item就可以实现上图效果。
