css垂直居中的方法



方式一、绝对定位

.box4 span{}{

  width: 50%;  

  height: 50%;  

  background: #000;

  overflow: auto;  

  margin: auto;  

  position: absolute;  

  top: 0; left: 0; bottom: 0; right: 0;  

}

方式二、table-cell

.box1{}{

    display: table-cell;

    vertical-align: middle;

    text-align: center;         

}

方式三、绝对定位和负边距

.box3{}{position:relative;}
.box3 span{}{
            position: absolute;
            width:100px;
            height: 50px;
            top:50%;
            left:50%;
            margin-left:-50px;
            margin-top:-25px;
            text-align: center;
        }

方式四、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;

}

方式五、line-height

测试内容ddddddddddd

 

文章转载自：  css垂直居中    http://www.studyofnet.com/news/893.html