.w3-modal{z-index:3;display:none;padding-top:100px;position:fixed;left:0;top:0;width:100%;height:100%;overflow:auto;border: 1px solid #000000; background-color:rgb(0,0,0);background-color:rgba(0,0,0,0.4)}
.w3-modal-content{margin:auto; background-color: #FFFEEE;position:relative;padding:0;outline:0;width:600px;margin-top: 25vh;}