(编辑：jimmy 日期: 2024/11/2 浏览：2)
直奔主题在这里提供三种块级元素垂直水平居中的方法
flex
html
<div class="parent">
<div class="child"></div>
</div>
css
.parent{
width: 500px;
height: 500px;
margin: 0 auto;
border: 1px solid gainsboro;
display: flex;
justify-content: center;
align-items: center;
}
.child{
width: 200px;
height: 200px;
background: red;
}
定位+margin
html
<div class="parent">
<div class="child"></div>
</div>
css
.parent{
position: relative;
width: 500px;
height: 500px;
margin: 0 auto;
border: 1px solid gainsboro;
}
.child{
position: absolute;
top: 50%;
left: 50%;
width: 200px;
height: 200px;
margin-left: -100px;
margin-top: -100px;
background: red;
}
定位+transform
html
<div class="parent">
<div class="child">
<span>我是子元素</span>
</div>
</div>
css
.parent{
position: relative;
width: 500px;
height: 500px;
margin: 0 auto;
border: 1px solid gainsboro;
}
.child{
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
background: red;
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。