* {
    box-sizing: border-box;
    margin: 0;
    user-select: none;
}
#frog {
    position: absolute;
    left: 20vw;
    background-color: green;
    height: 3vh;
    width: 3vh;
    top: 47vh;
}
.pipe {
    position: absolute;
    background-color: yellow;
    height: 100vh;
    width: 5vh;
}
#score {
    position: absolute;
    font-size: large;
}
body {
    overflow: hidden;
    background-color: aliceblue;
}