原始代码
html 部分
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| <div class="father">
<div class="son"></div>
</div>
|
css 部分
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| body {
background-color: #6ed0ff;
}
.father {
width: 300px;
height: 300px;
margin: 100px auto;
border-radius: 20px;
background-color: #be33ec;
box-shadow: 0 0 15px rgb(0, 0, 0);
}
.son {
width: 100px;
height: 100px;
border-radius: 20px;
background-color: #fcff00;
box-shadow: 0 0 10px rgb(0, 0, 0);
}
|
效果展示
原始效果
居中效果
实现方法
absolute + margin
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| .father {
position: relative;
}
.son {
position: absolute;
left: 0;
right: 0;
top: 0;
bottom: 0;
margin: auto;
}
|
absolute + 负 margin
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| .father {
position: relative;
}
.son {
position: absolute;
left: 50%;
top: 50%;
margin-left: -50px;
margin-top: -50px;
}
|
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| .father {
position: relative;
}
.son {
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
}
|
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| .father {
overflow: hidden;
}
.son {
margin: 50% auto;
transform: translateY(-50%);
}
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flex
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| .father {
display: flex;
justify-content: center;
align-items: center;
}
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或者
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| .father {
display: flex;
}
.son {
margin: auto;
}
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grid
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| .father {
display: grid;
place-items: center;
}
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或者
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| .father {
display: grid;
}
.son {
align-self: center;
justify-self: center;
}
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table-cell
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| .father {
display: table-cell;
text-align: center;
vertical-align: middle;
}
.son {
display: inline-block;
}
|