:root {
    --wallColumns:8;
    --wallRows:4;
    --wallHeight: 0;
}

body {
    overflow: hidden;
}

#canvas {
    display: relative;
}

.brick {
    display:block;
    height:100%;
    width:100%;
    background-color: green;
}

#wall {
    margin-top: 100px;
    display: inline-grid;
    height: 200px;
    width:100%;
    column-gap: 10px;
    row-gap: 10px;
    grid-template-columns: repeat(var(--wallColumns),1fr);
    grid-template-rows: repeat(var(--wallRows),1fr);
}

#slider {
    position: absolute;
    bottom:50px;
    width:20%;
    height: 30px;
    background-color: black;
    left:0px;
}

#ball {
    position:absolute;
    display:inline-block;
    width:30px;
    height:30px;
    border-radius: 50%;
    background-color: black;

}

.yellow {
    background-color:yellow !important; 
}

.red {
    background-color: red !important;
}

.destroyed {
    visibility: hidden;
}