css实现居中几种方法

1.table-cell
<div class="box box1">
<span>垂直居中</span>
</div>

.box1{
display: table-cell;
vertical-align: middle;
text-align: center;
}
2.
.box2{
display: flex;
justify-content:center;
align-items:Center;
}

3.绝对定位和负边距    //此方法用的较多,兼容性最好,但需要知道元素的宽高
.box3{position:relative;}
.box3 span{
  position: absolute;
  width:100px;
  height: 50px;
  top:50%;
  left:50%;
  margin-left:-50px;
  margin-top:-25px;
  text-align: center;
}

4.绝对定位和0
.box4 span{
  width: 50%;
  height: 50%;
  background: #000;
  overflow: auto;
  margin: auto;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
}

5.translate
.box6 span{
  position: absolute;
  top:50%;
  left:50%;
  width:100%;
  transform:translate(-50%,-50%);
  text-align: center;
}

6.display:inline-block
.box7{
  text-align:center;
  font-size:0;
}
.box7 span{
  vertical-align:middle;
  display:inline-block;
  font-size:16px;
}
.box7:after{
  content:'';
  width:0;
  height:100%;
  display:inline-block;
  vertical-align:middle;
}

7.display:flex和margin:auto
.box8{
  display: flex;
  text-align: center;
}
.box8 span{margin: auto;}
8.display:-webkit-box
.box9{
  display: -webkit-box;
  -webkit-box-pack:center;
  -webkit-box-align:center;
  -webkit-box-orient: vertical;
  text-align: center
}

9.display:-webkit-box
<div class="floater"></div>
<div class="content"> Content here </div>

.floater {
  float:left;
  height:50%;
  margin-bottom:-120px;
}
.content {
  clear:both;
  height:240px;
  position:relative;
}

posted on 2017-09-23 19:58  未央花开111  阅读(191)  评论(0编辑  收藏  举报