margin: 0 auto;

回答: margin: 0 auto; 是一种CSS样式属性，用于设置一个元素在其父元素中水平居中对齐，并且上下外边距为0。\[1\]这个属性可以拆分为 margin-left: auto; margin-right: auto; margin-top: 0; margin-bottom: 0;。\[1\]它的作用是在不同浏览器中实现元素的居中显示，并解决浏览器兼容性问题。\[2\]\[3\]
#### 引用[.reference_title]
- *1* [CSS margin:0 auto介绍](https://blog.csdn.net/tanga842428/article/details/77775928)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^koosearch_v1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [margin:0 auto是什么意思](https://blog.csdn.net/weixin_45984512/article/details/109654091)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^koosearch_v1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [CSS——margin : 0 auto;](https://blog.csdn.net/u012194956/article/details/79813104)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^koosearch_v1,239^v3^insert_chatgpt"}} ] [.reference_item]
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