Same filename in other branches
  1. 7.x-2.x tabstyles/mac/mac-rtl.css
ul.quicktabs-tabs.quicktabs-style-mac li{
  float: right;
}

File

quicktabs_tabstyles/tabstyles/mac/mac-rtl.css

View source 
  1. 

  2. ul.quicktabs-tabs.quicktabs-style-mac li{

  3.   float: right;

  4. }