How to vertically center a div for all browsers?
What is parent-child selector?
What is hover text?
How do I quote font names in quoted values of the style attribute?
How can you add gradients to your project?
What are functions/mixins?
What is the use of @import?
Give an example of how you would use counter-increment and counter-reset in css to create automatic numbering within a webpage.
What is css (cascading style sheets)?
What is css flexbox?
Should I use class or id in css?
Does the order of css matter?
Is html5 a programming language?
Must I quote property values?
What is the purpose of pc measurement unit?