The HTML class attribute is used to specify a class for an HTML element.
Multiple HTML elements can share the same class.
The class attribute is often used to point to a class name in a style sheet. It can also be used by a JavaScript to access and manipulate elements with the specific class name.
In the following example we have three <div> elements with a class attribute with the value of "city". All of the three <div> elements will be styled equally according to the .city style definition in the head section:
To create a class; write a period (.) character, followed by a class name. Then, define the CSS properties within curly braces { }:
HTML elements can belong to more than one class.
To define multiple classes, separate the class names with a space, e.g.< div class =" city main">. The element will be styled according to all the classes specified.
In the following example, the first <h2> element belongs to both the city class and also to the main class, and will get the CSS styles from both of the classes:
Different HTML elements can point to the same class name.
In the following example, both <h2> and <p> points to the "city" class and will share the same style: