body {
    text-align: center;
    font-family: sans-serif;
    margin: 0;
    padding-top: 2.5em;
    min-height: 100vh;
    /* Landing page background image */
    background-image: url('/static/images/main_bkgnd.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
#game-buttons { margin-top: 1em; display: flex; justify-content: center; gap: 0.5em; flex-wrap: wrap; }