Master useful CSS pseudo-elements
Pseudo Elements in CSS enable the developers to style parts of an element, giving them the granular access to styling. In this article, we will cover some lesser used but pretty useful Pseudo Elements, which can help you CSS game to the next level!
Selection
The ::selection
CSS pseudo-element styles the part of a document that is selected by a user (such as clicking and dragging the mouse across text to highlight it).
Marker
The ::marker
CSS pseudo-element selects the marker box of a list item and generally contains a bullet or number. It works on any element or pseudo-element where the display
property is set to list-item
( display: list-item
), such as <li>
elements.
Placeholder
The ::placeholder
CSS pseudo-element can be used to target the placeholder text in an <input>
or <textarea>
element.
Slotted()
The ::slotted()
CSS pseudo-element represents any element that has been placed into a slot
inside an HTML template.
This only works when used inside CSS placed within a Shadow DOM. Note also that this selector won’t select a text node placed into a slot, but targets actual elements.
First Line & First Letter
Just as the name suggests, the ::first-line
and ::first-letter
CSS pseudo-elements applies styles to the first line and the first letter respectively (of a block-level element). In case of ::first-line
, the length of the first line depends on many factors, including the width of the element, the width of the document, the font size of the text and may even depend on the screen size. ::first-letter
only styles the first letter when not preceded by other content (such as images or inline tables).
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Originally published at https://dev.to on March 7, 2021.