What do commas mean in CSS selectors?
33678
What do commas and spaces in multiple classes mean in CSS?
96768
Are class names in CSS selectors case sensitive?
37382
Is there a CSS selector for text nodes?
46872
What does a space mean in a CSS selector? i.e. What is the difference between .classA.classB and .classA .classB?
72001
CSS3 selector :first-of-type with class name?
92813
What does << mean in Ruby?
54396
CSS selector for "foo that contains bar"?
119974
What does << mean in Java?
24458
What do ">>" and "<<" mean in Javascript?
21418
What are the rules on when to use commas, colons, semicolons and dashes?
101611
How to automatically add &raquo; (») to  elements using CSS?
96454
In PHP, what does "<<<" represent?
36304
What does the "+" (plus sign) CSS selector mean?
78612
What's happening to syntax highlighting for [css] questions?
5851
Which characters are valid in CSS class names/selectors?
55205
CSS attribute selectors: The rules on quotes (", ' or none?)
127577
What are the implications of using "!important" in CSS?