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  1. 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 …

  2. What is the difference between `before()` and `beforeEach()`?

    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 hook. And …

  3. 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 …

  4. html - What is &::before, &::after in CSS? - Stack Overflow

    Nov 5, 2014 · Everything else is vanilla CSS, ::after, ::before are pseudo elements, .relative and .radio are class selectors, :checked is a pseudo class for input types radio and checkbox, and …

  5. css - When to use :before or :after - Stack Overflow

    Before moving to my question, I know how the :before and :after selectors work. (not a duplicate of what is ::before or ::after expression). My question is in regards to use.

  6. java - Difference between @Before, @BeforeClass, @BeforeEach …

    Nov 30, 2013 · What is the main difference between @Before and @BeforeClass and in JUnit 5 @BeforeEach and @BeforeAll @After and @AfterClass According to the JUnit Api @Before is …

  7. What is the ::before or ::after expression, and why is it shown in the ...

    Oct 18, 2014 · The updated answer still doesn't explain the behavior of ::before /::after pseudo-elements properly. And the quoted phrase, also, is not relevant. The question is about why …

  8. html - What do ::before and ::after mean? - Stack Overflow

    Mar 18, 2014 · I was looking at a couple Twitter Bootstrap templates and I saw that a lot of ::before and ::after were inserted before and after div tags. Can anybody tell me what they are?

  9. 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 …

  10. 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 …