body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    touch-action: manipulation;
    font-family: Arial, sans-serif;
}

h1 {
    font-size: 24px;
    margin-bottom: 10px;
}

#game {
    width: 90vw;
    max-width: 600px;
    height: 30vh;
    border: 1px solid black;
    position: relative;
    overflow: hidden;
}

#dino {
    width: 7vw;
    max-width: 30px;
    height: 10vw;
    max-height: 30px;
    background-color: green;
    position: absolute;
    bottom: 0;
    left: 50%;
}

#cactus {
    width: 5vw;
    max-width: 20px;
    height: 7.5vw;
    max-height: 30px;
    background-color: red;
    position: absolute;
    bottom: 0;
    right: 0;
}

#score {
    font-size: 20px;
    margin: 10px 0;
}

#startButton, #jumpButton {
    font-size: 18px;
    padding: 10px 20px;
    margin: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#jumpButton {
    display: none;
}