diff --git a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/article.md b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/article.md
index fc641583..8589601f 100644
--- a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/article.md
+++ b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/article.md
@@ -99,7 +99,7 @@ parent.onmouseout = function(event) {
   /* event.target: parent element */
 };
 parent.onmouseover = function(event) {
-  /* event.target: child element */
+  /* event.target: child element (bubbled) */
 };
 ```
 
diff --git a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseenter-mouseleave-delegation-2.view/style.css b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseenter-mouseleave-delegation-2.view/style.css
index 61e19e36..a5b1fd88 100755
--- a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseenter-mouseleave-delegation-2.view/style.css
+++ b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseenter-mouseleave-delegation-2.view/style.css
@@ -16,6 +16,7 @@
   vertical-align: bottom;
   padding-top: 5px;
   padding-bottom: 12px;
+  cursor: pointer;
 }
 
 #table .nw {
@@ -62,4 +63,4 @@
 
 #table .highlight {
   background: red;
-}
\ No newline at end of file
+}
diff --git a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseenter-mouseleave-delegation.view/style.css b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseenter-mouseleave-delegation.view/style.css
index 61e19e36..a5b1fd88 100755
--- a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseenter-mouseleave-delegation.view/style.css
+++ b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseenter-mouseleave-delegation.view/style.css
@@ -16,6 +16,7 @@
   vertical-align: bottom;
   padding-top: 5px;
   padding-bottom: 12px;
+  cursor: pointer;
 }
 
 #table .nw {
@@ -62,4 +63,4 @@
 
 #table .highlight {
   background: red;
-}
\ No newline at end of file
+}
diff --git a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseleave-table.view/style.css b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseleave-table.view/style.css
index 61e19e36..a5b1fd88 100755
--- a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseleave-table.view/style.css
+++ b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseleave-table.view/style.css
@@ -16,6 +16,7 @@
   vertical-align: bottom;
   padding-top: 5px;
   padding-bottom: 12px;
+  cursor: pointer;
 }
 
 #table .nw {
@@ -62,4 +63,4 @@
 
 #table .highlight {
   background: red;
-}
\ No newline at end of file
+}
diff --git a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseleave.view/style.css b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseleave.view/style.css
index 66b827d3..0d809f4e 100755
--- a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseleave.view/style.css
+++ b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseleave.view/style.css
@@ -1,5 +1,5 @@
 #parent {
-  background: #D8D8D8;
+  background: #99C0C3;
   width: 160px;
   height: 120px;
   position: relative;
diff --git a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseoverout-child.view/style.css b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseoverout-child.view/style.css
index 66b827d3..0d809f4e 100755
--- a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseoverout-child.view/style.css
+++ b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseoverout-child.view/style.css
@@ -1,5 +1,5 @@
 #parent {
-  background: #D8D8D8;
+  background: #99C0C3;
   width: 160px;
   height: 120px;
   position: relative;
diff --git a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseoverout-fast.view/style.css b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseoverout-fast.view/style.css
index 66b827d3..0d809f4e 100755
--- a/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseoverout-fast.view/style.css
+++ b/2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/mouseoverout-fast.view/style.css
@@ -1,5 +1,5 @@
 #parent {
-  background: #D8D8D8;
+  background: #99C0C3;
   width: 160px;
   height: 120px;
   position: relative;