* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: black;
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: avenir, Arial, Helvetica, sans-serif;
}

h1 {
    color: white;
    position: absolute;
    margin: 0;
    font-size: 5vw;
}

h1 span {
    font-size: 20%;
}