diff --git a/1-js/05-data-types/03-string/article.md b/1-js/05-data-types/03-string/article.md
index 3b07ecca..41bda225 100644
--- a/1-js/05-data-types/03-string/article.md
+++ b/1-js/05-data-types/03-string/article.md
@@ -81,7 +81,7 @@ Here's the full list:
 | Character | Description |
 |-----------|-------------|
 |`\n`|New line|
-|`\r`|Carriage return: not used alone. Windows text files use a combination of two characters `\r\n` to represent a line break. |
+|`\r`|In Windows text files a combination of two characters `\r\n` represents a new break, while on non-Windows OS it's just `\n`. That's for historical reasons, most Windows software also understands `\n`. |
 |`\'`, `\"`|Quotes|
 |`\\`|Backslash|
 |`\t`|Tab|
diff --git a/2-ui/1-document/07-modifying-document/10-clock-setinterval/solution.view/index.html b/2-ui/1-document/07-modifying-document/10-clock-setinterval/solution.view/index.html
index de8ec9ae..84ee26f1 100644
--- a/2-ui/1-document/07-modifying-document/10-clock-setinterval/solution.view/index.html
+++ b/2-ui/1-document/07-modifying-document/10-clock-setinterval/solution.view/index.html
@@ -45,7 +45,7 @@
     function clockStart() {
       // set a new interval only if the clock is stopped
       // otherwise we would rewrite the timerID reference to the running interval and wouldn't be able to stop the clock ever again
-      if (!timerId) { 
+      if (!timerId) {
         timerId = setInterval(update, 1000);
       }
       update(); // <--  start right now, don't wait 1 second till the first setInterval works
@@ -56,7 +56,6 @@
       timerId = null; // <-- clear timerID to indicate that the clock has been stopped, so that it is possible to start it again in clockStart()
     }
 
-    clockStart();
   </script>
 
   <!-- click on this button calls clockStart() -->
diff --git a/2-ui/2-events/04-default-browser-action/3-image-gallery/solution.view/gallery.css b/2-ui/2-events/04-default-browser-action/3-image-gallery/solution.view/gallery.css
index 4522006a..8d6472ee 100644
--- a/2-ui/2-events/04-default-browser-action/3-image-gallery/solution.view/gallery.css
+++ b/2-ui/2-events/04-default-browser-action/3-image-gallery/solution.view/gallery.css
@@ -4,16 +4,6 @@ body {
   font: 75%/120% sans-serif;
 }
 
-h2 {
-  font: bold 190%/100% sans-serif;
-  margin: 0 0 .2em;
-}
-
-h2 em {
-  font: normal 80%/100% sans-serif;
-  color: #999999;
-}
-
 #largeImg {
   border: solid 1px #ccc;
   width: 550px;
diff --git a/2-ui/2-events/04-default-browser-action/3-image-gallery/source.view/gallery.css b/2-ui/2-events/04-default-browser-action/3-image-gallery/source.view/gallery.css
index b6e52301..8d6472ee 100644
--- a/2-ui/2-events/04-default-browser-action/3-image-gallery/source.view/gallery.css
+++ b/2-ui/2-events/04-default-browser-action/3-image-gallery/source.view/gallery.css
@@ -4,16 +4,6 @@ body {
   font: 75%/120% sans-serif;
 }
 
-h2 {
-  font: bold 190%/100% sans-serif;
-  margin: 0 0 .2em;
-}
-
-h2 em {
-  font: normal 80%/100% sans-serif;
-  color: #999999;
-}
-
 #largeImg {
   border: solid 1px #ccc;
   width: 550px;
@@ -32,4 +22,13 @@ h2 em {
 
 #thumbs a:hover {
   border-color: #FF9900;
+}
+
+#thumbs li {
+  list-style: none;
+}
+
+#thumbs {
+  margin: 0;
+  padding: 0;
 }
\ No newline at end of file