*

The universal selector is a special type selector, that represents an element of any element type. 5.2. Universal selector

Links about *

1. Axiomatic CSS and Lobotomized Owls

   posted on October 21, 2014 by Heydon Pickering

   Managing flow content can get unwieldy—too many class selectors can become a specificity headache, nested styling can get redundant, and content editors don’t always understand the presentational m…

   

2. Universal selectors

   posted on March 23, 2019 by MDN

   The CSS universal selector (*) matches elements of any type.

   

Code sample

* {
  outline: 5px solid fuchsia;
}