Remove <strong> and <em> tag in basecamp HTML.

fetch_basecamp.rb

@@ -4,7 +4,7 @@
 
 def clean_formatted_content(content)
   # clean elements
-  content = content.gsub(/<br>/,"\n").gsub(/<\/?div>/,"").gsub(/<\/a>/,"").gsub(/<a[^>]*>/,"")
+  content = content.gsub(/<br>/,"\n").gsub(/<\/?div>/,"").gsub(/<\/a>/,"").gsub(/<a[^>]*>/,"").gsub(/<\/?strong>/,"").gsub(/<\/?em>/,"")
 
   # list
   content = content.gsub(/<\/?ul>/,"").gsub(/<li>/, "- ").gsub(/<\/li>/, "")

source/cards/22-sibling-selector.md

@@ -8,9 +8,9 @@ icon: notes
 
 In CSS and JavaScript selector, there is 2 sibling selector to select elements within the same level, next to the first element. They are **adjacent sibling selector** and **general sibling selector**.
 
-## <strong>Adjacent sibling selector
+## Adjacent sibling selector
 
-</strong>Adjacent sibling selector selects B element that _immediately_ follows the first specified element (A). A and B needs to share the same parent—at the same indentation level.
+Adjacent sibling selector selects B element that _immediately_ follows the first specified element (A). A and B needs to share the same parent—at the same indentation level.
 
 A + B
 
@@ -21,7 +21,7 @@ Demo:
 <p data-height="266" data-theme-id="dark" data-slug-hash="VadXwx" data-default-tab="html,result" data-user="makzan" data-embed-version="2" class="codepen">See the Pen <a href="http://codepen.io/makzan/pen/VadXwx/">Adjacent sibling selector demo</a> by Thomas Seng Hin Mak (<a href="http://codepen.io/makzan">@makzan</a>) on <a href="http://codepen.io">CodePen</a>.</p>
 <script async src="//assets.codepen.io/assets/embed/ei.js"></script>
 
-## <strong>General sibling selector</strong>
+## General sibling selector
 
 General sibling selector selects B elements that are after the first selector (A). A and B needs to share the same parent—at the same indentation level.