diff --git a/src/App.css b/src/App.css
index e440348..2999903 100644
--- a/src/App.css
+++ b/src/App.css
@@ -25,6 +25,19 @@ body {
   font-weight: bold;
 }
 
+.App {
+  display: flex;
+  flex-direction: column;
+  max-width: 500px;
+  margin: 0 auto;
+  justify-content: center;
+}
+
+.Game {
+  display: flex;
+  flex-direction: column;
+}
+
 .Game-keyboard {
   display: flex;
   flex-direction: column;
@@ -33,22 +46,31 @@ body {
 .Game-keyboard-row {
   display: flex;
   flex-direction: row;
-  justify-content: center;
+  justify-content: stretch;
 }
 
 .Game-keyboard-button {
   margin: 2px;
   background-color: #cdcdcd;
-  padding: 4px;
+  padding: 2px;
   text-transform: capitalize;
   border-radius: 4px;
-  min-width: 25px;
+  min-height: 40px;
+  display: flex;
+  flex: 1;
+  align-items: center;
+  justify-content: center;
+  font-size: 20px;
   color: inherit;
   text-decoration: inherit;
   border: inherit;
   cursor: pointer;
 }
 
+.Game-keyboard-button-wide {
+  flex: 2;
+}
+
 .Game-keyboard-button:focus {
   outline: none;
 }
diff --git a/src/App.tsx b/src/App.tsx
index 1b3619b..5eed5d8 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -26,20 +26,24 @@ function App() {
       <h1>hello wordl</h1>
       <input
         type="range"
-        min="3"
-        max="15"
+        min="4"
+        max="11"
         value={wordLength}
         onChange={(e) => {
-          setTarget(randomTarget(Number(e.target.value)));
-          setWordLength(Number(e.target.value));
+          const length = Number(e.target.value);
+          setTarget(randomTarget(length));
+          setWordLength(length);
         }}
       ></input>
       <div className="App">
         <Game
-          key={wordLength}
+          key={target}
           wordLength={wordLength}
           target={target}
           maxGuesses={6}
+          restart={() => {
+            setTarget(randomTarget(wordLength));
+          }}
         />
       </div>
     </>
diff --git a/src/Game.tsx b/src/Game.tsx
index 7f6e42e..11f294a 100644
--- a/src/Game.tsx
+++ b/src/Game.tsx
@@ -6,23 +6,31 @@ import { Keyboard } from "./Keyboard";
 
 enum GameState {
   Playing,
-  Over,
+  Won,
+  Lost,
 }
 
 interface GameProps {
   target: string;
   wordLength: number;
   maxGuesses: number;
+  restart: () => void;
 }
 
 function Game(props: GameProps) {
   const [gameState, setGameState] = useState(GameState.Playing);
   const [guesses, setGuesses] = useState<string[]>([]);
   const [currentGuess, setCurrentGuess] = useState<string>("");
+  const [hint, setHint] = useState<string>(`${props.wordLength} letters`);
 
   const onKey = (key: string) => {
     console.log(key);
-    if (gameState !== GameState.Playing) return;
+    if (gameState !== GameState.Playing) {
+      if (key === "Enter") {
+        props.restart();
+      }
+      return;
+    }
     if (guesses.length === props.maxGuesses) return;
     if (/^[a-z]$/.test(key)) {
       setCurrentGuess((guess) => (guess + key).slice(0, props.wordLength));
@@ -30,15 +38,26 @@ function Game(props: GameProps) {
       setCurrentGuess((guess) => guess.slice(0, -1));
     } else if (key === "Enter") {
       if (currentGuess.length !== props.wordLength) {
-        // TODO show a helpful message
+        setHint("Too short");
         return;
       }
       if (!dictionary.includes(currentGuess)) {
-        // TODO show a helpful message
+        setHint("Not a valid word");
         return;
       }
       setGuesses((guesses) => guesses.concat([currentGuess]));
       setCurrentGuess((guess) => "");
+      if (currentGuess === props.target) {
+        setHint("You won! (Enter to play again)");
+        setGameState(GameState.Won);
+      } else if (guesses.length + 1 === props.maxGuesses) {
+        setHint(
+          `You lost! The answer was ${props.target.toUpperCase()}. (Enter to play again)`
+        );
+        setGameState(GameState.Lost);
+      } else {
+        setHint("");
+      }
     }
   };
 
@@ -46,14 +65,11 @@ function Game(props: GameProps) {
     const onKeyDown = (e: KeyboardEvent) => {
       onKey(e.key);
     };
-
     document.addEventListener("keydown", onKeyDown);
-
     return () => {
       document.removeEventListener("keydown", onKeyDown);
     };
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [currentGuess]);
+  }, [currentGuess, gameState]);
 
   let letterInfo = new Map<string, Clue>();
   const rowDivs = Array(props.maxGuesses)
@@ -61,7 +77,8 @@ function Game(props: GameProps) {
     .map((_, i) => {
       const guess = [...guesses, currentGuess][i] ?? "";
       const cluedLetters = clue(guess, props.target);
-      if (i < guesses.length) {
+      const lockedIn = i < guesses.length;
+      if (lockedIn) {
         for (const { clue, letter } of cluedLetters) {
           if (clue === undefined) break;
           const old = letterInfo.get(letter);
@@ -74,7 +91,7 @@ function Game(props: GameProps) {
         <Row
           key={i}
           wordLength={props.wordLength}
-          rowState={i < guesses.length ? RowState.LockedIn : RowState.Pending}
+          rowState={lockedIn ? RowState.LockedIn : RowState.Pending}
           cluedLetters={cluedLetters}
         />
       );
@@ -83,6 +100,7 @@ function Game(props: GameProps) {
   return (
     <div className="Game">
       {rowDivs}
+      <p>{hint || `\u00a0`}</p>
       <Keyboard letterInfo={letterInfo} onKey={onKey} />
     </div>
   );
diff --git a/src/Keyboard.tsx b/src/Keyboard.tsx
index 50b27d8..ceb1c24 100644
--- a/src/Keyboard.tsx
+++ b/src/Keyboard.tsx
@@ -22,6 +22,9 @@ export function Keyboard(props: KeyboardProps) {
             if (clue !== undefined) {
               className += " " + clueClass(clue);
             }
+            if (label.length > 1) {
+              className += " Game-keyboard-button-wide";
+            }
             return (
               <div
                 tabIndex={-1}
@@ -31,7 +34,7 @@ export function Keyboard(props: KeyboardProps) {
                   props.onKey(label);
                 }}
               >
-                {label}
+                {label.replace("Backspace", "⌫")}
               </div>
             );
           })}