CSS to achieve horizontal and vertical centering of elements
In our actual project, there are many methods for vertical centering. For example, there are many pop-up box prompts contents on the mobile page. They are briefly organized as follows. I hope it can help. to everyone.
I have made a lot of pages, and I feel that the problem of vertical centering has always existed. I feel that some methods are relatively simple, and some need to be calculated based on the actual situation. What I have compiled is the method I have used in practice, which may not be the most practical. Comprehensive, but the practical effect is still good.
Stop talking nonsense and go straight to the code:
/* 常用的三种方法 */
/* 第一种 */
div{
width: 200px;
height: 200px;
margin: auto;
background: pink;
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
}
/* 第二种 */
div{
width: 200px;
height: 200px;
background: green;
position: fixed;
top: 50%;
left: 50%;
margin-left: -100px;
margin-top: -100px;
}
/* 第三种 */
div{
width: 200px;
height: 200px;
background: green;
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}Go directly to the html part to implement it
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