#pong{
    width: 600px;
    height: 300px;
    background-color: white;
    
}

body{
    background-color: lightgrey;
}

#raqueta{
    width: 10px;
    height: 50px;
    background-color: black;
    top:0px;
    display: inline;
    position: fixed;
}

#pilota{
    width: 10px;
    height: 10px;
    background-color: black;
    position:absolute;
    left:20px;
    border-radius: 50%;
}

#score{
    position:fixed;
    margin-left: 950px;
    margin-top: -350px;
    padding: 7px 30px;
    background-color: aqua;
}