每次有人添加项目时,我都有一个由 javascript 生成的列表:html 如下所示:
<ul class="items-listed-rc">
<li>1 generated by javascript</li>
<li>2 generated by javascript</li>
<li>3 generated by javascript</li>
<li>4 generated by javascript</li>
...
</ul>
目前都是蓝色背景,我想要