:root {
    --width: 100svw;
    --height: 100svh;
}
* {
    font-family: sans-serif;
    font-size: xx-large;
}
body {
    margin: 0;
    padding: 0;
    width: var(--width);
    height: var(--height);
}
.totp-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 0.5em;
}
.totp-input {
    flex-grow: 1;
    text-align: center;
    font-size: 2rem;
    padding: 0.5em;
}