html {
    background-image: url("assets/esport.jpg");
    background-repeat: no-repeat;
    background-size: cover;
}

h1 {
    margin-top: 500px;
    font-size: 150px;
}

@media only screen and (max-width: 710px) {
    html {
        background-position: center top 100px;
    }

    h1 {
        margin-top: 300px;
        font-size: 50px;
    }

    header {
        margin-bottom: 100px;
    }
}