body { 
    margin: 0;
    overflow: hidden; 
    background-color: #161618; /* #222 */
    font-family: "Menlo";
    font-size: 1.5rem;
}

a {
    text-decoration: none;
    color: #666;
}

canvas { 
    display: block;
}

#shells {
    position: fixed;
    top: 10px;
    left: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

a.hover {
    color: #aaa;
}

#controls {
    position: fixed;
    bottom: 10px;
    left: 10px;
    display: flex;
    gap: 10px;
}

#controls button {
    width: 35px;
    height: 35px;
    border: 0;
    background-color: #333;
    color: #aaa;
    border-radius: 8px;
    font-size: 1.2rem;
    cursor: pointer;
}

#controls button:hover {
    background-color: #666;
}