案例：图片资源：
参考代码：
<!doctype html><html><head><meta charset="utf-8"><title>无标题文档</title><style>*{margin:0;padding:0;}.wai{margin:50px auto;width: 630px;height: 48px;background: #192132;}.a{background: url("素材/1.png") no-repeat;margin-left:20px;}.a{backgrou;nd: url("素材/1.png") no-repeat;}.b{background: url("素材/2.png") no-repeat;}.c{background: url("素材/3.png") no-repeat;}.d{background: url("素材/4.png") no-repeat;}.e{background: url("素材/5.png") no-repeat;}.f{background: url("素材/6.png") no-repeat;}.g{background: url("素材/7.png") no-repeat;}span{width:80px;height:45px;display:inline-block;border-bottom:3px solid #0F96EA;}</style></head><body><div class="wai"><span class="a"></span><span class="b"></span><span class="c"></span><span class="d"></span><span class="e"></span><span class="f"></span><span class="g"></span></div></body></html>
