Selectors are most often used in CSS to target specific HTML elements on web pages that you want to style.
In this instance, they are used for parsing the HTML on the homepage. There are a wide variety of CSS selectors available, which allows for fine-grained precision when selecting elements to style.
Note
The selector will match ALL instances of the target HTML elements.
This document provides instructions on how to fill in the CSS Selector fields during PageAssistsetup.
Element selector
The element selector selects elements based on their element name. For example, to select all <p> elements on a page, use the selector:
p
CSS element > element Selector
Use the element > element selector to select elements with a specific parent.
Note
Elements that are not a direct child of the specified parent are not selected. For example,
ul > li
selects the li element that is placed just after theulin the code.
ID selector
The ID selector uses the id attribute of an HTML element to select a specific element.
The ID of an element should be unique within a page, so the ID selector can be used to select one unique element.
To select an element with a specific ID, write a hash # character, followed by the ID of the element.
The style rule below is applied to the HTML element with id="para1"
#para1
Class selector
The class selector selects elements with a specific class attribute.
To select elements with a specific class, write a period . character, followed by the name of the class.
In the example below, all HTML elements with class="center" are selected using this selector:
.center
It is also possible to indicate that only specific HTML elements should be affected by a class.
The example below indicates only <p> elements with class="center" use the selector:
p.center
HTML elements can also refer to more than one class.
In the example below, the <p> element is selected with both center and large as classes class="center large" . Use this selector:
p.center.large
CSS :nth-child() selector
The :nth-child(n) selector matches every element that is the nth child, regardless of its parent type. n can be a number, a keyword, or a formula. In this example, is will typically be set to match by number.
The selector below will select the 2nd p element in this example:
Selectors are most often used in CSS to target specific HTML elements on web pages that you want to style.
In this instance, they are used for parsing the HTML on the homepage. There are a wide variety of CSS selectors available, which allows for fine-grained precision when selecting elements to style.
Note
The selector will match ALL instances of the target HTML elements.
This document provides instructions on how to fill in the CSS Selector fields during PageAssistsetup.
Element selector
The element selector selects elements based on their element name. For example, to select all <p> elements on a page, use the selector:
p
CSS element > element Selector
Use the element > element selector to select elements with a specific parent.
Note
Elements that are not a direct child of the specified parent are not selected. For example,
ul > li
selects the li element that is placed just after theulin the code.
ID selector
The ID selector uses the id attribute of an HTML element to select a specific element.
The ID of an element should be unique within a page, so the ID selector can be used to select one unique element.
To select an element with a specific ID, write a hash # character, followed by the ID of the element.
The style rule below is applied to the HTML element with id="para1"
#para1
Class selector
The class selector selects elements with a specific class attribute.
To select elements with a specific class, write a period . character, followed by the name of the class.
In the example below, all HTML elements with class="center" are selected using this selector:
.center
It is also possible to indicate that only specific HTML elements should be affected by a class.
The example below indicates only <p> elements with class="center" use the selector:
p.center
HTML elements can also refer to more than one class.
In the example below, the <p> element is selected with both center and large as classes class="center large" . Use this selector:
p.center.large
CSS :nth-child() selector
The :nth-child(n) selector matches every element that is the nth child, regardless of its parent type. n can be a number, a keyword, or a formula. In this example, is will typically be set to match by number.
The selector below will select the 2nd p element in this example: