body {
    margin:0px;
}

#background {
    width:100%;
    height:100%;
    overflow:hidden;
    position:absolute;
    background-color:#222222;
}

.cell {
    width:10px;
    height:10px;
}

.alive {
    //background-color:#000000;
    background-color:orange;
}
.dead {
    //background-color:#cccccc;
    background-color:#333333;
}