html {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--bg-color);
    color: var(--text-color);
}