html {
    width: 100%;
    height: 100%;
    margin: 0;
}

body {
    background-image: linear-gradient(to right top, #d3e57e, #dbdd7b, #e1d579, #e6cd79, #e9c57b, #eeba76, #f1af73, #f4a473, #f99172, #fc7d78, #fa6984, #f25894);
}

h1 {
    text-align: center;
    font-size: 56px;
}