What is the difference between :before and ::before?
May 23, 2018 · The ::before notation (with two colons) was introduced in CSS3 in order to establish a discrimination between pseudo-classes and pseudo-elements. Browsers also accept the notation …
html - what does ::before really do? - Stack Overflow
May 18, 2014 · So I read the docs and probably understand the purpose of ::before and ::after. If my understanding is correct, they should always work in combination with other elements. But the web …
What does *:before and *:after do in css - Stack Overflow
Sep 27, 2015 · The pseudo-element selectors :before and :after (or ::before and ::after) are used to generate content on the fly for browsers, and the results are called generated content. The …
What is the difference between `before()` and `beforeEach()`?
Jan 28, 2014 · However, all before hooks that apply are executed before any beforeEach hook. This explains the order above: sublevel before executes before top beforeEach because it is a before …
Flask deprecated before_first_request how to update
Sep 1, 2022 · I'm learning web development for simple applications and I've created one that uses before_first_request decorator. According with the new release notes, the before_first_request is …
How can I write a ':hover' condition for 'a:before' and 'a:after'?
Nov 28, 2021 · Hence, a:hover::before and a:visited::before. But if you're developing for legacy browsers such as IE8 and older, then you can get away with using single colons just fine. This specific order of …
Use FontAwesome or Glyphicons with css :before
Aug 9, 2012 · Since :before is a pseudo element, you can't have html content, only text.
How can I fix "UnboundLocalError: local variable referenced before ...
UnboundLocalError: local variable 'f' referenced before assignment Python sees the f is used as a local variable in [f for f in [1, 2, 3]], and decides that it is also a local variable in f(3).
Can I have multiple :before pseudo-elements for the same element?
In CSS2.1, an element can only have at most one of any kind of pseudo-element at any time. (This means an element can have both a :before and an :after pseudo-element — it just cannot have more …
Weight Gain: Before and After - Reddit
The point of the sub is to show before & after weight gains. Solo posts and mild differences in weight are not allowed. Permanent ban for breaking this rule. No reposts from subs meant to shame people for …