Update Sudoku.css

Author: intrepidcoder

Sudoku.css

@@ -27,6 +27,7 @@ a:active {
 	background-color: #FFA;
 	font-family: Verdana, Arial, sans-serif;
 	font-size: 10pt;
+	height: 22px;
 	left: 0px;
 	position: absolute;
 	top: 0px;
@@ -195,4 +196,4 @@ a:active {
 
 .blank_cell_highlight_purple input {
 	color: purple;
-}
+}