https://www.w3schools.com/css/css_pseudo_classes.asp What are Pseudo-classes? A pseudo-class is used to define a special state of an element. For example, it can be used to: Style an element when a user mouses over it Style visited and unvisited links differently Style an element ...
Pseudo-classes can be combined with CSS classes:When you hover over the link in the example, it will change color:Example a.highlight:hover { color: #ff0000;} Try it yourself » Hover on An example of using the :hover pseudo-class on a element:Example div:...
Pseudo-classes and HTML Classes When you hover over the first link below, it will change color and font size: CSS Syntax CSS Tutorial 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. Hover on An example of using the:hoverpseudo-class on ...
Note:a:hoverMUST come aftera:linkanda:visitedin the CSS definition in order to be effective!a:activeMUST come aftera:hoverin the CSS definition in order to be effective! Pseudo-class names are not case-sensitive. Pseudo-classes and HTML Classes ...
The double colon replaced the single-colon notation for pseudo-elements in CSS3. This was an attempt from W3C to distinguish betweenpseudo-classesandpseudo-elements. The single-colon syntax was used for both pseudo-classes and pseudo-elements in CSS2 and CSS1. ...
❮ Previous CSS Pseudo-classes Reference Next ❯ Example Select and style the input field only if the value of the field is within the range limit: input:in-range { border: 2px solid green; background-color: beige;} Try it Yourself » ...
The single-colon syntax was used for both pseudo-classes and pseudo-elements in CSS2 and CSS1. For backward compatibility, the single-colon syntax is acceptable for CSS2 and CSS1 pseudo-elements. The ::first-letter Pseudo-element The::first-letterpseudo-element is used to add a special styl...
Pseudo Elements vs Pseudo Classes The above two selectors are appropriately called pseudo “elements” (not selectors) because they don’t select any “real” element that exists on the page. This goes for these two, as well as the previous sections::first-letterand::first-line. Make sense?
CSS Syntax :focus { css declarations; }Demo More Examples Example Change background color and width when an input field gets focus: input:focus{ background-color:yellow; width:250px; } Try it Yourself » Related Pages CSS tutorial:CSS Pseudo classes ...
https://www.w3schools.com/css/css_pseudo_elements.asp What arePseudo-Elements? ACSSpseudo-element is used to style specified parts of an element. F html CSS sed 原创 emanlee 9月前 39阅读 CSS(13)CSS伪类(Pseudo-classes) CSS伪类 伪类是用来添加一些选择器的特殊效果。 伪类选择元素基于的是当前...