Some QOL improvements:

- Added subtle highliting of attempted letters
- Using correct backspace character
- Reduced header size a little
- Added a "define" button to show word definition

site/assets/scripts/models/gamecontroller.js

@@ -7,7 +7,8 @@ export const GUESS_RESULT = {
 export const MARKERS = {
     MISS: 'm',
     RIGHT_POS: 'g',
-    RIGHT_CHAR: 'y'
+    RIGHT_CHAR: 'y',
+    ATTEMPTED: 'a',
 };
 
 class ProgressionState {
@@ -87,7 +88,13 @@ export class GameController {
 
     if (this._currentWord.length <= 5) {
       if (!this._wordSource.isWord(guess)) {
+        hits = {};
+        for (let i = 0; i < guess.length; i++) {
+          hits[guess[i]] = MARKERS.ATTEMPTED;
+        }
+
         return {
+          hits: hits,
           guessResult: GUESS_RESULT.FOUL,
         };
       }