css绝对居中img

html:

<div  >
    <img src="http://pic.616pic.com/ys_b_img/00/03/60/Kt6QwnlaEu.jpg" alt="">
  </div>

　　

css:

#imgs {
        width: 100vw;
        height: 100vh;
        display:table-cell;
        text-align:center;
        vertical-align:middle;
      }
      img{
        width: 100px;
        height: 100px;
      }