body {
    margin: 0;
    overflow: hidden;
    background-color: black;
}

canvas {
    display: block;
    margin: auto;
    background: url('assets/background.png') no-repeat center center;
    background-size: cover;
}

/* Kezdőképernyő */
#startScreen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
}

#startButton {
    padding: 10px 20px;
    font-size: 18px;
    background: yellow;
    border: none;
    cursor: pointer;
    border-radius: 5px;
}