请问 绝对定位的 元素 无法撑开父级元素 怎么解决？
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<title>混合布局编程挑战</title>
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.main{background:red;width:100vw;position:relative;}
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.foot{background:orange;}
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<div class="right">右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右右</div>
<div class="left">左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左左</div>
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