@charset "utf-8";
.parent {
        display: table; 
        width: 100%; 
        height: 100px; 
        text-align: center; 
      }
.child {
        display: table-cell;
        vertical-align: middle;
      }
.slider-parent {
    display: table;
    width: 100%;
    height: 500px;
    text-align: left;
      }
.slider-child {
    display: table-cell;
    vertical-align: middle;
    background-repeat: no-repeat;
      }

.in-middle{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    left: 0;
  right: 0;
}