How to write css id selector

css The writing method of id selector is "#selector{property:value}". There is a # sign in front of the ID selector, also known as the checkerboard number or pound sign; like the class selector, the ID selector Wildcard selectors can be ignored in .

#The operating environment of this tutorial: Windows 7 system, Dell G3 computer, CSS3 version.

How to write css id selector?

How to write css id selector: #selector{property: value}.

In some ways, ID selectors are similar to class selectors, but there are some important differences.

Syntax

ID selectors are preceded by a # sign - also known as a checkerboard number or pound sign. (Related course recommendations: css video tutorial)

Please see the following rules:

*#intro {font-weight:bold;}

Like the class selector, the wildcard selector can be ignored in the ID selector . The previous example could also be written as:

#intro {font-weight:bold;}

The effect of this selector would be the same.

The ID selector refers to the value in the id attribute. Here's an example of an actual ID selector:

<p id="intro">This is a paragraph of introduction.</p>

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