CSS :invalid Selector Last Updated : 29 Aug, 2024 Comments Improve Suggest changes Like Article Like Report This :invalid selector is used to select every form elements which does not validate according to the elements. This selector works only for some form elements with limitations such as input elements with min and max attributes, email fields with a legal email, or number fields with a numeric value, etc. Instead of using the :invalid selector, the :valid selector is used to selects the form elements which validate according to the element. Syntax::invalid { // CSS property}Example: html <!DOCTYPE html> <html> <head> <title>invalid selector</title> <style> h1 { color:green; } input:invalid { border: 1px solid black; border-radius:4px; color:white; background-color:green; padding:5px; } body { text-align:center; } </style> </head> <body> <h1>GeeksforGeeks</h1> <h2>:invalid Selector</h2> Email Address: <input type="email" placeholder="[email protected]"> </body> </html> Output: Supported Browsers: The browser supported by :invalid selector are listed below:Apple Safari 5.0Google Chrome 10.0Edge 12.0Firefox 4.0Opera 10.0 Comment More infoAdvertise with us Next Article CSS :invalid Selector M manaschhabra2 Follow Improve Article Tags : Misc Web Technologies CSS CSS-Selectors Practice Tags : Misc Similar Reads CSS [attribute*=value] Selector The [attribute*="str"] selector targets the elements whose attribute values contain a specified substring. This substring can appear anywhere within the attribute's value â beginning, end, or middle.Syntax:element [attribute*="str"] { // CSS Property} Example: In the following example, the <p> 2 min read CSS [attribute=value] Selector The [attribute=value] selector in CSS is used to select those elements whose attribute value is equal to "value".Syntax: element [attribute = "value"] { // CSS Property}Note: <!DOCTYPE> must be declared for IE8 and earlier versions.Example 1: In this example, The selector h1[id="geeks"] target 2 min read CSS [attribute$=value] Selector The [attribute$=âvalueâ] selector is used to select those elements whose attribute value ends with a specified value "value". The value need not to be present as separate word. It may be a part of another word or expression but it needs to be present at the end. Syntax:[attribute$="value"] { // CSS 2 min read CSS [attribute|=value] Selector The [attribute|=value] selector is used to select those elements whose attribute value is equal to "value" or whose attribute value started with "value" immediately followed by a hyphen (-).Note: Use <!DOCTYPE> to run [attribute|=value] selector in IE8 or earlier versions.Syntax:[attributeType 2 min read CSS [attribute~=value] Selector The [attribute~="value"] selector is used to select those elements whose attribute value contains a specified word. The "value" must be present in the attribute as a separate word and not as part of the other word i.e. if [title~=Geeks] is specified then all elements with Geeks title get selected.Sy 2 min read CSS [attribute^=value] Selector The [attribute^=value] selector selects elements whose attribute value begins with a given attribute.Syntax:[attribute^=value] { // CSS Property}Example: In this example, The CSS selector p[class^="for"] targets <p> elements with a class attribute that starts with "for" and applies a green bac 2 min read CSS #id Selector The ID selector in CSS is used to select a single element on a page by referencing its id attribute. This attribute must be unique within a page, meaning no two elements can have the same id. The ID selector is prefixed with a hash (#) symbol in CSS.Basic ID SelectorThe ID selector allows you to sty 7 min read CSS * (Universal) Selector The universal selector (*) applies styles to all elements on a page or within a specified context, regardless of their type, class, or ID. It's commonly used for global resets or universal styling. * { /* styles */}1. Basic Use case of universal selectorThe universal selector applies styles to all e 4 min read CSS :active Selector The: active selector is used in styling an active link of the web page. Style display when the user clicks on the link. This selector is different from :link, :visited and: hover selectors. The main use of : active selector is on the links but it can be used on all elements.Syntax: :active{ //CSS pr 2 min read CSS ::after Selector ::after selector is used to add the same content multiple times after the content of other elements. This selector is the same as ::before selector. Syntax:::after{ content:}Below HTMl/CSS code shows the functionality of ::after selector : HTML <!DOCTYPE html> <html> <head> <sty 2 min read Like