html,
body {
    background-color: rgb(0, 157, 196);
    height: 100%;
    margin: 0;
    padding: 0;
}

main {
    position: absolute;
    left: 100px;
    right: 100px;
    top: 100px;
    bottom: 100px;
    background-image: url("/shorke.png");
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

@media (max-width: 1024px) {
    main {
        left: 25px;
        right: 25px;
        top: 25px;
        bottom: 25px;
    }
}