Optimized embedded tutorial for mobile

Change-Id: I0b345c75cbd68bd1f1205a313ddbb7ecd94b58c3
diff --git a/dev/scss/header/header.scss b/dev/scss/header/header.scss
index 98201e3..e7d14ac 100644
--- a/dev/scss/header/header.scss
+++ b/dev/scss/header/header.scss
@@ -69,6 +69,9 @@
     margin: 0px;
     position: relative;
   }
+  .clear {
+    clear: both;
+  }
 
   .button {
     &.right {