2026/8/18 18:50:04
(前端)5.盒子模型的宽高和边距
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<head><title>盒子模型</title><style>#wrapperBox{margin:20px;width: 140px;height: 140px;background:red;padding:20px;outline-style:dashed;}#Box {width:100%;height:100%;background:orange;}</style&g…