.Box1 {
    position: relative;
    overflow: hidden;
  }
   
  .Box1 ul {
    position: relative;
    left: 46.5%;
    float: left;
  }
   
  .Box1 ul li {
    list-style-type:none;	
    position: relative;
    left: -46.5%;
    float: left;
  }