body {
    padding: 0;
    margin: 0;
}

.container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container h1 img {
    width: 70vw;
}

@media (min-width: 769px) {
    .container h1 img {
        width: 350px;
    }
}