* {
    margin: 0;
    padding: 0;
}

body {
    overflow: hidden;
    text-align: center;
    padding: calc((100vh - 100vw) / 2) 0;
}

body main {
    display: inline-block;
    background-color: #111;
    font-size: 1vh;
}

.vignette {
    background: radial-gradient(rgba(255, 255, 255, 0.15), rgba(0, 0, 0, 0.7) 80%);
    display: inline-block;
    position: fixed;
}