diff --git a/src/components/ParityBitsGame.tsx b/src/components/ParityBitsGame.tsx
index f2dd42a..322d10c 100644
--- a/src/components/ParityBitsGame.tsx
+++ b/src/components/ParityBitsGame.tsx
@@ -148,15 +148,15 @@ const ParityBitsGame = ({ showSocialShare = true }: ParityBitsGameProps) => {
               <button
                 key={`${row}-${col}`}
                 className={`
-                  w-12 h-12 border-2 border-foreground transition-all duration-200
+                  w-12 h-12 border-2 transition-all duration-200
                   ${currentGrid[row]?.[col] ? 'bg-foreground' : 'bg-background'}
-                  ${isParityCell ? 'border-primary bg-primary/10' : ''}
+                  ${isParityCell ? 'border-primary' : 'border-foreground'}
                   ${isFlipped ? 'ring-4 ring-destructive' : ''}
                   ${isError ? 'ring-4 ring-destructive bg-destructive/20' : ''}
                   ${isErrorRow || isErrorCol ? 'ring-2 ring-warning' : ''}
                   ${phase === 'setup' && !isParityCell ? 'hover:bg-accent cursor-pointer' : ''}
                   ${phase === 'parity' && !isParityCell ? 'hover:bg-accent cursor-pointer' : ''}
-                  ${isParityCell ? 'cursor-not-allowed opacity-70' : ''}
+                  ${isParityCell ? 'cursor-not-allowed' : ''}
                 `}
                 onClick={() => {
                   if (phase === 'setup') toggleCell(row, col);
@@ -245,7 +245,7 @@ const ParityBitsGame = ({ showSocialShare = true }: ParityBitsGameProps) => {
           {parityBitsAdded && (
             <div className="text-center space-y-2">
               <p className="text-sm text-muted-foreground">
-                Gray cells are parity bits. Each row and column should have an even number of black squares.
+                Parity cells have colored borders. Each row and column should have an even number of black squares.
               </p>
               {flippedCell && (
                 <p className="text-sm text-destructive">