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absolute居中自适应技巧
在前端开发中,absolute定位常用于元素精确定位,但其脱离文档流的特性导致内容居中较为困难。想要实现绝对定位元素的自动居中,可通过设置left、top为50%并结合transform平移自身宽高的一半,或使用margin:auto配合宽高和偏移量实现自适应居中效果。
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