#myModal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%,  -50%);
    width: 600px;
    height: 600px;
    z-index: 999999999999;
}
#overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .5);
    z-index: 99999999999;
}
.close, .close:hover {
    position: absolute;
    top: 0px;
    right: 10px;
    cursor: pointer;
    font-size: 30px;
    opacity: 1;
    color: #000;
}


@media(max-width: 991px) {
    #myModal {
    width: 90%;
    height: auto;
	}
}