#mainTable{
    border:2px solid;
    width:300px;
    height:300px;
    margin:auto;
}

.smallTable{
    width:75px;
    height:75px;
    margin:auto;
}

/*.box{
    background-color:white;
    border:none;
    width:20px;
    height:20px;
}*/

.clickable {
    background-color: aqua;
}

.unclickable {
    background-color: none;
}