html,
body {
    height: 100vh;
    overflow: hidden;
    position: relative;
    top: 1vh;
}

body {
    margin-top: 2em;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-family);
    margin-bottom: 0.5em;
}