What are css tag selectors?

The CSS tag selector selects elements based on the tag name, and the syntax is tag_name { style declaration }. It can match all elements, specific headings, paragraphs, links, lists and div containers. The advantages of tag selectors are simplicity, ease of use and high performance, but they are not flexible and semantic enough.

CSS Tag Selector

The CSS tag selector is used to select elements based on their tag names. It is the most basic type of CSS selector and targets the tag name of an HTML element.

Syntax

<code class="css">tag_name {
  /* 样式声明 */
}</code>

Common tag selectors

• *: Match all elements .
• h1, h2, h3, etc.: Match specific title elements.
• p: Matches paragraph elements.
• a: Matches link elements.
• ul, ol: Match list elements.
• div: Matches div container elements.

Example

<code class="css">p {
  color: blue;
  font-size: 1.2rem;
}</code>

This selector sets the text color of all paragraph elements to blue and their font size to 1.2 points.

Advantages

• Easy to use: The tag selector is easy to understand and implement.
• High performance: Tag selectors often have a performance advantage over other selectors because the browser can quickly find elements based on the tag name.

Disadvantages

• Not flexible enough: The tag selector can only select based on the tag name of the element. For more complex The style requirements may not be flexible enough.
• Not semantic enough: The tag selector does not consider the semantic meaning of the element, which may lead to style confusion.

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