body {
    font-family: sans-serif;
    color: #0e1219;
    background: #f0f4f8;
    max-width: 500px;
    margin: 0 auto;
    padding: 8px;
}

@media (prefers-color-scheme: dark) {
    body {
        color: #47d8bb;
        background: #0e1219;
    }
}

.absolute-centered {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); 
}