CSS – * Selector
The * selector selects all HTML elements in the document, and if used together with another element can be used to select all that element’s child elements.
CSS – :active Selector
The :active selector is used to select the active link, which becomes active when it’s clicked.
CSS – ::after Selector
The ::after pseudo-element inserts something after the content of a selected element.
CSS – [attribute] Selector
The [attribute] selector selects every HTML element with the specified attribute.
CSS – [attribute=value] Selector
The [attribute=value] selector selects every element with both the specified attribute and specified value.
CSS – [attribute~=value] Selector
The [attribute~=value] selector selects every element with a specific attribute that has a value containing a specified stand-alone word.
CSS – [attribute|=value] Selector
The [attribute|=value] selector selects every element with a specific attribute that has a value equal to or starting with a specified value.
CSS – [attribute^=value] Selector
The [attribute^=value] selector selects every element with a specific attribute that starts with a value beginning with a specified string.
CSS – [attribute$=value] Selector
The [attribute$=value] selector selects every element with a specific attribute that has a value ending in a specified string.
CSS – [attribute*=value] Selector
The [attribute*=value] selector selects every element with a specific attribute that has a value containing a specified string even as part of another word.
CSS – ::before Selector
The ::before pseudo-element inserts something before the content of a selected element.
CSS – :checked Selector
The :checked selector matches every checked input element for radio buttons, checkboxes, and option elements.
CSS – .class Selector
The .class selector selects all HTML elements with a specific class, which may include multiple elements on the page.
CSS – :default Selector
The :default selector selects the default form element in a group of related elements, and can only be used on button, input type=”checkbox”, input type=”radio”, and option elements.
CSS – Element Selector
The element selector selects all HTML elements with a specific element tag name.
CSS – Element > Element Selector
The element > element selector is used to select elements with a specific parent. The element > element selector can be used along with the #id, .class, and any other selector.
CSS – Element + Element Selector
The Element + Next selector selects the very next element specified after (not within) the first specified element. The element + element selector can be used along with the #id, .class, and any other selector.
CSS – Element ~ Element Selector
The element ~ element selector selects sibling elements that appear after the specified element. Both of the specified elements must share the same parent.
CSS – : empty Selector
The :empty selector selects empty HTML elements, which means an element without any child elements or text.