style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #121212;
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

.player {
    position: absolute;
    bottom: 20px;
    left: 50%;
    width: 50px;
    height: 50px;
    background-color: #00ff00;
    border-radius: 50%;
    transform: translateX(-50%);
}

.falling-ball {
    position: absolute;
    top: -50px;
    left: 50%;
    width: 30px;
    height: 30px;
    background-color: #ff007f;
    border-radius: 50%;
    animation: fall 3s linear infinite;
}

@keyframes fall {
    0% {
        top: -50px;
    }
    100% {
        top: 100vh;
    }
}