main.css

* {
    margin: 0px;
    padding: 0px;
}

div.row div{
    width: 20px;
    height: 20px;
    display: inline-block;
}

div.brick {
    background-color: blue;
}

div.coin {
    background: url('coin_ani.gif');
    background-repeat: no-repeat;
    background-position: center;
}

div.cherry {
    background: url('Cherry.png');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    width: 20px;
    height: 20px;
}

div.heart {
    background: url('heart.gif');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    width: 20px;
    height: 20px;
}

div#world {
    position: relative;
    font-size: 0px;
}

#score {
    border: 1px solid white;
    width: 60px;
    height: 20px;
    color: white;
    padding: 7px;
    text-align: center;
    position: absolute;
    left: 550px;
    top: 10px;
}

div#pacman {
    background-image: url('pacman.gif');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    width: 20px;
    height: 20px;
    position: absolute;
}

div#ghost0 {
    background-image: url('red_ghost.gif');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    width: 20px;
    height: 20px;
    position: absolute;
}

div#ghost1 {
    background-image: url('blue_ghost.gif');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    width: 20px;
    height: 20px;
    position: absolute;
}

div#ghost2 {
    background-image: url('orange_ghost.gif');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    width: 20px;
    height: 20px;
    position: absolute;
}

div#ghost3 {
    background-image: url('pink_ghost.gif');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    width: 20px;
    height: 20px;
    position: absolute;
}

body {
    background-color: black;
}