/* Hide game by default */
.hidden {
    display: none;
}

/* Style for the canvas and the game display */
#game-container {
    background-color: #252526;
    border-radius: 5px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #d4d4d4;
}

canvas {
    border: 2px solid #333;
    background-color: #2d2d2d;
}

.close-btn {
    position: absolute;
    right: 10px;
    color: #d4d4d4;
    float: right;
    font-size: 2rem; /* ~28px */
    font-weight: bold;
    cursor: pointer;
}

.close-btn,
.close-btn:focus {
    color: #569cd6;
    text-decoration: none;
}