.game_row{
    width: 450px;


}

#game_board{
    width: 450px;
    margin-left:100px;

}
.board_square{
    border: solid 1px black;
    height: 40px;
    width: 40px;
    font-size: 10px;
    text-align: center;
    display: inline-block;
    padding:0px;
    padding-top:5px;

}
.prime{
    font-weight: bold;
    background-color: bisque;
    border-radius: 10px;
    
}

.potential_answer{

    background-color: lightgreen;

}