body, html {
    margin: 0;
    height: 100%;
    background: #01146B;

    background-size: 100% 100%;
}

.center {
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

.contain {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.stretch {
    display: block;
    width: 100%;
    height: 100%;
}

.cover {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (prefers-color-scheme: dark) {
    body {
        margin: 0;
        height: 100%;
        background: #01146B;

        background-size: 100% 100%;
    }
}