Constructing a style rule
Style sheets are just text files that contain rules. The style rules use properties and values to tell the elements how they will look.
Selector: the element you want to format
Comment your code, for you and for others
img{border: 4px solid red}/*Images will have an ugly sold red border*/
Those /*anything after that slash* is a comment-don't forget to close it*/
What happens when styles collide? The C in CSS
Inheritance, Specificity and Location
We'll come back to this later.