Fix casing for color and size labels in form and ensure consistent and added a button placement to make it look more like a form

Author: TTiamiyu

Form-Controls/index.html

@@ -30,13 +30,13 @@ <h1>My Store T-shirt Sales</h1>
         <select name="color" id="color" required>
           <option value="" disabled selected>-- select a color --</option>
           <option value="Black">Black</option>
-          <option value="Blue">blue</option>
-          <option value="Green">green</option>
+          <option value="Blue">Blue</option>
+          <option value="Green">Green</option>
         </select>
       </div>
 
       <div>
-        <label for="size">size</label>
+        <label for="size">Size</label>
         <select name="size" id="size" required>
           <option value="" disabled selected> -- select a size --</option>
           <option value="XS">XS</option>
@@ -47,6 +47,10 @@ <h1>My Store T-shirt Sales</h1>
           <option value="XXL">XXL</option>
         </select>
       </div>
+      <div>
+        <!-- submit button -->
+        <button type="submit">Submit Order</button>
+      </div>
     </form>
   </main>
   <footer>