如何使css文本-装饰覆盖工作?
ul > li {
text-decoration: none;}ul > li.u {
text-decoration: underline;}ul > li > ul > li {
text-decoration: none;}ul > li > ul > li.u {
text-decoration: underline;}<ul> <li>Should not be underlined</li> <li class="u">Should be underlined <ul> <li>Should not be underlined</li> <li class="u">Should be underlined</li> </ul> </li></ul>
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