前言
在使用css设置页面样式时会经常遇到需要居中的情况,下面我总结了一些css在不同条件下实现居中的方法。大家看看就好。
为了方便显示居中效果,给父元素和子元素都设置了边框和背景样式,效果都差不多,还是截图看看吧。
在这里插入图片描述
- 水平居中+阻止子元素定宽+ margin
<style>
.parent {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
}
.child {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
width: 150px;
margin: 0 auto;
}
</style>
<div class="parent">
<div class="child">children 子元素</div>
</div>
- 水平居中+ inline-block子元素不定宽+ text-align
<style>
.parent2 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
text-align: center;
}
.child2 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
display: inline-block;
}
</style>
<div class="parent2">
<div class="child2">children 子元素</div>
</div>
- 水平居中+ inline-block子元素定宽+ text-align
<style>
.parent3 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
text-align: center;
}
.child3 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
width: 150px;
display: inline-block;
}
</style>
<div class="parent3">
<div class="child3">children 子元素</div>
</div>
- 水平居中+内联子元素不定宽+ text-align
<style>
.parent4 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
text-align: center;
}
.child4 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
display: inline;
}
</style>
<div class="parent4">
<div class="child4">children 子元素</div>
</div>
- 水平垂直居中+ flex +子元素不定宽高
<style>
.parent5 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
display: flex;
justify-content: center;
align-items: center;
}
.child5 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
}
</style>
<div class="parent5">
<div class="child5">children 子元素</div>
</div>
- 水平垂直居中+ flex +子元素不定宽高+ margin
<style>
.parent6 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
display: flex;
}
.child6 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
margin: auto;
}
</style>
<div class="parent6">
<div class="child6">children 子元素</div>
</div>
- 水平垂直居中+网格+子元素不定宽高
<style>
.parent7 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
display: grid;
justify-content: center;
align-items: center;
}
.child7 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
}
</style>
<div class="parent7">
<div class="child7">children 子元素</div>
</div>
- 水平垂直居中+网格+子元素不定宽高(居中属性设置在子元素上)
<style>
.parent8 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
display: grid;
}
.child8 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
justify-self: center;
align-self: center;
}
</style>
<div class="parent8">
<div class="child8">children 子元素</div>
</div>
- 水平垂直居中+网格+子元素不定宽高+ margin
<style>
.parent9 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
display: grid;
}
.child9 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
margin: auto;
}
</style>
<div class="parent9">
<div class="child9">children 子元素</div>
</div>
- 水平垂直居中+ absolute +子元素定宽高+ margin
<style>
.parent10 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
position: relative;
}
.child10 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
margin: auto;
width: 150px;
height: 100px;
position: absolute;
left: 0;
right: 0;
bottom: 0;
top: 0;
}
</style>
<div class="parent10">
<div class="child10">children 子元素</div>
</div>
- 水平垂直居中+ absolute +子元素不定宽高+ margin
<style>
.parent11 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
height: 200px;
position: relative;
}
.child11 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
margin: auto;
position: absolute;
width: fit-content;
height: fit-content;
left: 0;
right: 0;
bottom: 0;
top: 0;
}
</style>
<div class="parent11">
<div class="child11">children 子元素</div>
</div>
- 水平垂直居中+ absolute +子元素不定宽高+ transform
<style>
.parent12 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
position: relative;
}
.child12 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
margin: auto;
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
}
</style>
<div class="parent12">
<div class="child12">children 子元素</div>
</div>
- 水平垂直居中+ table-cell +子元素不定宽高+ text-align + vertical-align
<style>
.parent13 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
/* width 设置百分比会失效,如果宽度不设置就由子元素的内容宽度决定 */
width: 1000px;
display: table-cell;
text-align: center;
vertical-align: middle;
}
.child13 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
}
</style>
<div class="parent13">
<div class="child13">children 子元素</div>
</div>
- 水平垂直居中+ inline / inline-block子元素不定宽高+ vertical-align
<style>
.parent14 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
text-align: center;
}
.parent14::before {
content: "";
line-height: 200px;
font-size: 0;
}
.child14 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
/* display: inline-block; */
display: inline;
vertical-align: middle
}
</style>
<div class="parent14">
<div class="child14">children 子元素</div>
</div>
- 水平垂直居中+书写模式+内联/内联块子元素不定宽高+ text-align
<style>
.parent15 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
height: 200px;
writing-mode: vertical-lr;
text-align: center;
}
.child15 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
writing-mode: horizontal-tb;
/* display: inline; */
display: inline-block;
width: 100%;
}
</style>
<div class="parent15">
<div class="child15">children 子元素</div>
</div>
- 水平垂直居中+水平垂直居中+块子元素定宽+父元素高度由子元素决定+ padding / margin
<style>
.parent16 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
}
.child16 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
width: 150px;
/* margin: auto; */
/* padding: 50px 0; */
margin: 50px auto;
}
</style>
<div class="parent16">
<div class="child16">children 子元素</div>
</div>
- 水平垂直居中+子元素不定宽高+父元素高度由子元素决定+ line-height
<style>
.parent17 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
text-align: center;
}
.child17 {
border: 1px solid #000;
background-color: chartreuse;
font-size: 32px;
/* display: inline-block; */
display: inline;
line-height: 200px;
}
</style>
<div class="parent17">
<div class="child17">children 子元素</div>
</div>
- 正方形十字居中
<style>
.parent18 {
border: 1px solid #000;
background-color: rgb(197, 108, 24);
width: 20%;
position: relative;
}
.parent18::before {
content: "";
display: block;
width: 0;
height: 0;
padding: 50% 0;
}
.child18::before, .child18::after {
content: "";
display: block;
position: absolute;
background-color: chartreuse;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
}
.child18::before {
width: 50%;
height: 5%;
}
.child18::after {
height: 50%;
width: 5%;
}
</style>
<div class="parent18">
<div class="child18"></div>
</div>
总结
主要总结了一些日常遇到的css居中方法,其中双重的方法也可以组合使用.