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R | CSS-Tricks
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:root
:root
The :root selector allows you to target the highest-level “parent” element in the DOM, or document tree. It is defined […]
:root { }
:required
:required
The :required pseudo class selector in CSS allows authors to select and style any matched element with the required attribute. […]
input:required { }
:read-write / :read-only
:read-write / :read-only
The :read-write and :read-only selectors are two mutability pseudo-classes aiming at making form styling easier based on disabled, readonly and […]
.element:read-only { cursor: not-allowed; }
:right
:right
The :right pseudo-class in CSS is used with the @page at-rule to select all right-hand pages in a print document […]
@page :left { margin: 1in 2in; }