console 命令行工具 X clear

console

<ul>
    <li class="brother1">
        brother1
    </li>
    <li class="brother2">
        brother2
        <div class="child">
            child
        </div>
    </li>
</ul>

ul,li {
    list-style: none
}

li {
    width: 100px;
    height: 100px;
    background-color: #eff;
    border: 1px solid #ccc;
}