.modal-window {
    position: fixed;
    background-color: rgba(255, 255, 255, 0.25);
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 999;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
}
.modal-window:target {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}
.modal-window > div {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    padding: 2em;
    overflow-y: scroll;
    background: rgb(0,4,40);
    background: linear-gradient(0deg, rgba(0,4,40,1) 0%, rgba(0,78,146,1) 100%);
}
.modal-window header {
    font-weight: bold;
}

.modal-close {
    color: #000;
    font-size: 80%;
    position: fixed;
    top: 1rem;
    right: 1rem;
    text-decoration: none;
    padding: 0.5rem 1rem;
    background: #fff;
}
.modal-close:hover {
    color: black;
}