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What are the commonly used horizontal and vertical center alignment methods in CSS?
What are the commonly used horizontal and vertical center alignment methods in CSS?
1. Horizontal and vertical centering of text
text-align: center; line-height: 单前元素高度;
(Video tutorial recommendation: css video tutorial)
2. Horizontal and vertical centering of elements
1. Use absolute positioning
2. Use absolute positioning calc()
3. Use absolute positioning transform
4. Use display:flex;
Recommended tutorial: css quick start
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