<li> <span style='float:left; background-color:red'>a</span> <span style='float:left; background-color:green'>b</span> </li>
我想要右边的范围填补父母里剩下的宽度。有办法吗?
谢谢
<li> <span style='float:left; background-color:red'>a</span> <span style="display: block; background-color:green;">b</span> </li>