.modal-overlay {
    background: rgba(0, 0, 0, 0.7);
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;

    opacity:0;
    visibility:hidden;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}
 
.modal-wrapper {
    width: 95%;
    height: 95%;
    background: ghostwhite;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 0;
}
 
.close-modal-btn {
    padding: 8px;
    background: slateblue;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 15px;
    color: ghostwhite;
    font-weight: 5px;
    margin-left: auto;
    margin-top: 10px;
    margin-right: 10px;
    cursor: pointer;
}

 
.modal-body {
    height: 100%;
}
 
.close {
    position: absolute;
    top: 5px;
    right: 20px;
    color: #f1f1f1;
    font-size: 60px;
    font-weight: bold;
    transition: 0.3s;
}

.close:hover,
.close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}