.main-page {
    max-width: calc(30rem + 30vw);
    width: 100%;
    max-height: calc(100vh);
    height: calc(100vh);
    margin: auto;
    position: relative;
}
.main-page:before {
    content: ' ';
    display: block;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background-image: url("/static/image/case-closed-logo.svg");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 30rem;
}

@media (max-width: 767.98px) {
    .main-page:before {
        background-size: contain;
    }
}

.loading-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    padding: 2rem;
    z-index: 10;
}