How to use css tag selector

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Release: 2024-04-25 13:45:26
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CSS tag selector is a tool for selecting HTML elements to apply styles. The format is: element-name { property: value; }. They are matched by HTML tag name, including four types: normal, contextual, pseudo-class and nested. To keep code concise, use universal selectors; to increase specificity, use nested or multiple selectors; use !important to override other rules; avoid unnecessary nesting or complex selectors.

How to use css tag selector

CSS Tag Selector: Usage Guide

CSS tag selector is used to select styles for specific elements in HTML documents. a powerful tool. They use HTML tag names to match elements in the document.

Usage:

The format of the tag selector is as follows:

<code>element-name {
  property: value;
}</code>
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Among them:

  • ##element- name is the name of the HTML tag, such as p, h1, or div.
  • property is the CSS property to set, such as color or font-size.
  • value is the value to be applied to this attribute.

Example:

To set all paragraph text to red, you can use the following selector:

<code>p {
  color: red;
}</code>
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Type:

There are several different types of tag selectors:

  • Normal selectors: Match by HTML tag name, such as p or h1.
  • Context selector: Matches elements at a specific position in the document, such as h1 p (the paragraph after the title block).
  • Pseudo-class selector: Matches elements in a specific state, such as :hover (when the mouse is hovering).

Nested Selectors:

Tag selectors can be nested to increase specificity. For example, the following selector will match paragraphs that have

class="important":

<code>p.important {
  font-weight: bold;
}</code>
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Tips for use:

    is the keep code To be concise, use a universal selector (such as
  • *) to match all elements.
  • To increase specificity, use multiple selectors (such as
  • p.important).
  • Use the
  • !important modifier to override other rules.
  • Avoid using unnecessary nested or complex selectors as it affects performance.

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