Tutorial part 2

WebServer/main.css

@@ -165,4 +165,16 @@
   text-rendering:auto;
   -webkit-font-smoothing:antialiased;
   -moz-osx-font-smoothing:grayscale
+}
+
+.tutorial-stop-button {
+  color: #a94442;
+  background-color: #f2dede;
+  border-color: #ebccd1;
+  padding: 15px;
+  border: 1px solid transparent;
+  border-radius: 4px;
+  margin: 20px 0;
+  border-top-color: #e4b9c0;
+  width: 20%;
 }