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1. Use line-height and vertical-align

html

<div class="box"<span> Test text </span> </div>Copy the code

css

.box{
    width: 200px;
    height: 200px;
    overflow: hidden;
    background: #ccc;
    text-align: center;
}
.box span{
    vertical-align: middle;
    line-height: 200px;
}
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2. Use display:table-cell to center horizontal and vertical display

html

<div class="table">
    <span class="cell"</span> </div>Copy the code

css

.table{
	display: table;
}
.cell{
    display: table-cell;
    vertical-align: middle;
    text-align: center;
}
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3. Position + Transform is used to realize horizontal and vertical centered display

html

<div class="box"</span> </div>Copy the code

css

.box{
    position: relative;
}
.box span{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}
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4. Use display: Flex

html

<div class="flex"</span> </div>Copy the code

css

display:flex;
flex-direction: row;
justify-content: space-around; 
align-items: center;
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5. Use display: box

html

<div class="box"</span> </div>Copy the code

css

display: -webkit-box;
-webkit-box-orient: horizontal;
-webkit-box-pack: center;
-webkit-box-align: center;
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