Add reset button html and css

drag_and_drop_v2/public/css/drag_and_drop.css

@@ -38,6 +38,7 @@
     font-weight: bold;
     font-style: normal;
     margin: 10px 0;
+    margin-top: 20px;
 }
 
 
@@ -144,7 +145,6 @@
 .xblock--drag-and-drop .feedback {
     margin-top: 20px;
     border-top: solid 1px rgb(189, 189, 189);
-    padding-top: 20px;
 }
 
 .xblock--drag-and-drop .popup {
@@ -177,3 +177,10 @@
     text-align: center;
     color: #fff;
 }
+
+.xblock--drag-and-drop .reset-button {
+    cursor: pointer;
+    float: right;
+    color: #3384CA;
+    margin-top: 3px;
+}

drag_and_drop_v2/templates/html/drag_and_drop.html

@@ -25,7 +25,9 @@
         <div class="clear"></div>
     </section>
 
+
     <section class="feedback">
+        <div class="reset-button">Reset exercise</div>
         <div class="title1">Feedback</div>
         <p class="message"></p>
     </section>