If you’ve played along with CSS a bit, you generally know how to use CSS selectors and their specificity in most everyday cases.
But which CSS rule wins if you start combining regular class calls, mixed with ID and HTML tag selectors?
Well, CSS: Specificity Wars explains it all using Star Wars metaphors. There’s even a visual [...]

Did you know you could remove the dotted border around your links? I didn’t. You just have to specify the outline CSS property. You can read a more in-depth explanation at Sonspring.
a { outline: none; }