HTML5中垂直上下居中的解决方案

.container-vertical {
      position: relative;
      width: 100%;
      height: 200px;
      background: deepskyblue;
      margin-bottom: 20px;
}
        
.container-vertical-item {
    position: absolute;
    width: 130px;
    height: 80px;
    text-align: center;
            background: yellow;
        line-height: 80px;
    top: 0;
    bottom: 0;
    margin: auto 0;
}

 .container-horization-vertical {
    position: relative;
    width: 100%;
    height: 200px;
    background: deepskyblue;
    margin-bottom: 20px;
}
        
.container-horization-vertical-item {
    position: absolute;
    width: 150px;
    height: 80px;
    background: yellow;
    line-height: 80px;
    text-align: center;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    margin: auto;
}