@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@900&display=swap');

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    overflow: hidden;
    font-family: 'Cinzel', serif;
}

#stained-glass {
    width: 100vw;
    height: 100vh;
    position: relative;
    /* thick lead borders achieved by black background and gaps between shapes */
    background: #000; 
}

.shard {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.1);
    transition: background-color 0.5s;
    cursor: pointer;
}

.shard:hover {
    filter: brightness(1.5);
}

.overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 4rem;
    letter-spacing: 20px;
    pointer-events: none;
    text-shadow: 0 0 20px rgba(255,255,255,0.8);
    background: rgba(0,0,0,0.5);
    padding: 20px;
    border-radius: 10px;
}