@media (max-width: 430px) {
    body {
        background-image: url('../images/pattern-background-mobile.svg');
        background-repeat: no-repeat;
        background-position: top;
        max-height: 100%;
        overflow: hidden;
    }

    main {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        margin: 0 auto;
    }

    .container {
        width: 100%;
        max-width: 350px;
        height: auto;
        margin: 0 auto;
    }

}