@h0rn0chse/dark-mode-toggle/demo/styles/main.css

dark-mode-toggle

body {
    padding: 0;
    margin: 0;
    font-family: sans-serif;
}

#content {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#content > .toggleButton {
    margin-top: 7em;
}