6 CSS Horizontal and Vertical Centering Solutions

This article mainly introduces to you the relevant information about CSS horizontal and vertical centering solutions (6 types). The editor thinks it is quite good, so I will share it with you now and give it as a reference. Let’s follow the editor to take a look, I hope it can help everyone.

Preparation

Create element

<p class="parent">
  <p class="child">child</p>
</p>

Vertical and horizontal centering solution one: absolute+margin negative value when the width is known

.parent {
  width:400px;
  height:400px;
  background: red;
  position: relative;
}
.child {
  position: absolute;
  left:50%;
  top:50%;
  background: yellow;
  width:50px;
  height:50px;
  margin-left:-25px;
  margin-top:-25px;
}

Vertical and horizontal Centering option two: Absolute+transform

.parent {
  width:400px;
  height:400px;
  background: red;
  position: relative;
}
.child {
  position: absolute;
  left:50%;
  top:50%;
  transform: translate(-50%,-50%);
}

Vertical centering option three: position+margin:auto

.parent {
  position:relative;
  width:200px;
  height:200px;
  background: red;
}
.child {
  width:80px;
  height:40px;
  background: yellow;
  position: absolute;
  left:0;
  top:0;
  right:0 ;
  bottom:0;
  margin:auto;
}

Vertical centering option four: + Multi-line text Vertical centering: table-cell+vertical-align:middle;

.parent {
    height: 300px;
    width:400px;
    border: 1px solid red;
    display: table-cell;
    vertical-align: middle;
    text-align: center;
}
.child {
  display: inline-block;
  width:50px;
  height:50px;
  background: blue;
}
/* 或者 */
.parent {
    width: 400px;
    height: 300px;
    display: table-cell;
    vertical-align: middle;
    border: 1px solid red;
    text-align: center;
}
.child {
    display: inline-block;
    vertical-align: middle;
    background: blue;
}

Vertical centering solution five: display: flex

.parent {
  width:400px;
  height:200px;
  background:red;
  display: flex;
  justify-content:center;
  align-items:center;
}
.child {
  height:100px;
  width:100px;
  background:green;
}

Vertical centering solution six: Pseudo elements

.parent {
  width:200px;
  height:200px;
  background:red;
  text-align: center;
}
.child {
  height:100px;
  width:100px;
  background:yellow;
  display: inline-block;
  vertical-align: middle;
}
.parent:before {
  content:"";
  height:100%;
  vertical-align: middle;
  display: inline-block;
}

Related recommendations:

4 ways to achieve horizontal and vertical centering in css

How to set the horizontal and vertical centering of HTML elements

How to achieve horizontal, vertical centering and both-end alignment code sharing in css

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