Appears awesome difference between class and id selector Show output :

In CSS, selectors are patterns used to select the element you want to style. Example : Select and style all <p> elements: Show Output :

The CSS grouping selector is used to select multiple elements and style them together. SyntaxThe syntax for CSS grouping selector is as follows − element, element {/declarations/} Example : Show Output :

In CSS, attribute selectors describe styles those are applicable to matching attributes or attribute values of elements of an HTML page. Syntax of CSS attribute selector : [name_of_the_attribute] { CSS-Property: value; …………………… } Show Output :

CSS Attribute Selectors is possible to style HTML elements that have specific attributes or attribute values. Show Output :

CSS Attribute Selectors is possible to style HTML elements that have specific attributes or attribute values. Example : Show Output :

A CSS class , an attribute used to define a group of HTML elements in order to apply unique styling and formatting to those elements with CSS. Example : Show Output:

A CSS class , an attribute used to define a group of HTML elements in order to apply unique styling and formatting to those elements with CSS. Example : Show Output :

A CSS class , an attribute used to define a group of HTML elements in order to apply unique styling and formatting to those elements with CSS. Example : Show Output

The CSS id selector uses the id attribute of an HTML element to select a specific element. Example : Show Output :

To select all elements inside div elements and set their background color to yellow. Output :