#chess_table TD {width: 3em; height:3em;border:1px solid black;text-align:center;}
#chess_table {border-collapse: collapse;}
TD.B_square {background-color:#DDD;}
TD.W_square {background-color:#FFF;}
IMG.piece {width: 2.1em; height:2.8em;}
TD.pmove {border:3px solid blue; background-color:yellow;}
TD.tomove {border:3px solid blue; background-color:blue;}