.overlay {
        background-color: rgba(0, 0, 0, 0.8);
        position:absolute;
        top:0px;
        bottom:0px;
        left:0px;
        right:0px;
        display:none;
      }
      .modelBox {
        width:510px;
        min-height:400px;
        margin:0px auto;
        background-color:#ca3318;
        top:10%;
        position:relative;
        opacity:1;
      }