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

body {
    overflow: hidden;
    background-color: skyblue;
    font-family: Arial, sans-serif;
}

#game-container {
    position: absolute;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-image: url('background2.webp');
    background-size: cover;
}

#bird {
    position: absolute;
    width: 50px;
    height: 50px;
    background-image: url('Bird-2.png');
    background-size: cover;
    top: 50%;
    left: 10%;
}

.pipe {
    position: absolute;
    width: 80px;
    background-color: green;
    border: 3px solid black;
}

.pipe.top {
    top: 0;
}

.pipe.bottom {
    bottom: 0;
}

#score {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 36px;
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px black;
}

#start-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    background: rgba(255, 255, 255, 0.8);
    padding: 15px;
    border-radius: 5px;
}