diff --git a/js/h5p-x-api-event.js b/js/h5p-x-api-event.js
index 212fe0b..cc7fd66 100644
--- a/js/h5p-x-api-event.js
+++ b/js/h5p-x-api-event.js
@@ -248,6 +248,16 @@ H5P.XAPIEvent.prototype.getContentXAPIId = function (instance) {
   return xAPIId;
 };
 
+/**
+ * Check if this event is sent from a child (i.e not from grandchild)
+ *
+ * @return {Boolean}
+ */
+H5P.XAPIEvent.prototype.isFromChild = function () {
+  var parentId = this.getVerifiedStatementValue(['context', 'contextActivities', 'parent', 0, 'id']);
+  return !parentId || parentId.indexOf('subContentId') === -1;
+}
+
 /**
  * Figure out if a property exists in the statement and return it
  *
diff --git a/styles/h5p-core-button.css b/styles/h5p-core-button.css
index eb4e08d..e6511dc 100644
--- a/styles/h5p-core-button.css
+++ b/styles/h5p-core-button.css
@@ -8,7 +8,7 @@ button.h5p-core-button {
   padding: 0.5em 1.25em;
   border-radius: 2em;
 
-  background: #488ac9;
+  background: #2579c6;
   color: #fff;
 
   cursor: pointer;
@@ -21,24 +21,19 @@ button.h5p-core-button {
   text-shadow: none;
   vertical-align: baseline;
   text-decoration: none;
-}
-button.h5p-core-button:hover,
-button.h5p-core-button:focus {
-  background: #3b71a5;
-  color: #fff;
-  text-decoration: none;
+
   -webkit-transition: initial;
   transition: initial;
 }
-button.h5p-core-button:active {
-  position: relative;
-  background: #104888;
-
-  -webkit-box-shadow: inset 0 4px 0 #0e407a;
-  -moz-box-shadow: inset 0 4px 0 #0e407a;
-  box-shadow: inset 0 4px 0 #0e407a;
+button.h5p-core-button:focus {
+  background: #1f67a8;
+}
+button.h5p-core-button:hover {
+  background: rgba(31, 103, 168, 0.83);
+}
+button.h5p-core-button:active {
+  background: #104888;
 }
-
 button.h5p-core-button:before {
   font-family: 'H5P';
   padding-right: 0.15em;
@@ -46,7 +41,6 @@ button.h5p-core-button:before {
   vertical-align: middle;
   line-height: 0.7;
 }
-
 button.h5p-core-cancel-button:visited,
 button.h5p-core-cancel-button:link,
 button.h5p-core-cancel-button {
@@ -58,7 +52,6 @@ button.h5p-core-cancel-button {
   text-decoration: none;
   cursor: pointer;
 }
-
 button.h5p-core-cancel-button:hover,
 button.h5p-core-cancel-button:focus {
   background: none;