Made email field required

Author: leigh-ross

Form-Controls/index.html

@@ -32,7 +32,7 @@ <h1>Product Pick</h1>
         <input type="text" id="cname" name="cname" title="Please enter at least 2 non-space characters." pattern="\S\S">
 
         <label for="cemail">Customer email</label>
-        <input type="email" id="cemail" name="cemail">
+        <input type="email" id="cemail" name="cemail" required>
 
         <label for="tcolor">T-shirt color</label>
         <select id="tcolor" name="tcolor">