adding require attribute to radio input

Author: Jacknguyen4438

Form-Controls/index.html

@@ -25,11 +25,11 @@ <h1>Product Pick</h1>
         <br>
         <fieldset>
           <legend>Pick a color of your choosing</legend>
-           <input type="radio" id="color-red" name="color" value="Red">
+           <input type="radio" id="color-red" name="color" value="Red" required>
            <label for="color-red">Red</label>
-           <input type="radio" id="color-blue" name="color" value="Blue">
+           <input type="radio" id="color-blue" name="color" value="Blue" required>
            <label for="color-blue">Blue</label>
-           <input type="radio" id="color-green" name="color" value="Green">
+           <input type="radio" id="color-green" name="color" value="Green" required>
            <label for="color-green">Green</label>
         </fieldset>
         <div>