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 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
html - What does the $ in CSS mean? - Stack Overflow The first, known as SCSS (Sassy CSS) and used throughout this reference, is an extension of the syntax of CSS This means that every valid CSS stylesheet is a valid SCSS file with the same meaning This syntax is enhanced with the Sass features described below Files using this syntax have the scss extension