What is the purpose of the @ symbol in CSS? - Stack Overflow @font-face { * CSS HERE * } So is this @ symbol something new in CSS3, or something old that I've somehow overlooked? Is this something like where with an ID you use #, and with a class you use ? Google didn't give me any good articles related to this What is the purpose of the @ symbol in CSS?
What does the gt; (greater-than sign) CSS selector mean? 63 > (greater-than sign) is a CSS Combinator (Combine + Selector) A CSS selector can contain more than one simple selector Between the simple selectors, we can include a combinator There are four different combinators in CSS3: descendant selector (space) child selector (>) adjacent sibling selector (+) general sibling selector (~)
What does an asterisk (*) do in a CSS selector? - Stack Overflow The CSS that you referenced is very useful to a web-designer for debugging page layout problems I often drop it into the page temporarily so I can see the size of all the page elements and track down, for example, the one that has too much padding which is nudging other elements out of place