*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body{
    background-color: white;
}

.app{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

#board{
    width: 1000px;
    height: 600px;
    border: 1px solid black;
    position: relative;
    overflow: hidden;
}

.block{
    display: flex;
    position: absolute;
    top: 0;
    left: 0;
    width: 80px;
    height: 20px;
    background-color: red;
}

#player{
    width: 180px;
    height: 20px;
    background-color: blue;
    display: flex;
    position: absolute;
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
}

#ball{
    width: 30px;
    height: 30px;
    background-color: orange;
    border-radius: 50%;
    display: flex;
    position: absolute;
    bottom: 15%;
    left:  50%;
    transform: translateX(-50%);
}