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8 CSS pseudo classes most likely you are not familiar with
:autofill- The :autofill CSS pseudo-class matches when an <input> element has its value autofilled by the browser
See this in action here https://codepen.io/prathamkumar/pen/BapYOaz
:empty- The :empty CSS pseudo-class represents any element that has no children.
:picture-in-picture- The :picture-in-picture CSS pseudo-class matches the element which is currently in picture-in-picture mode.
For example, picture-in-picture mode of videos
:indeterminate- The :indeterminate CSS pseudo-class represents any form element whose state is indeterminate, such as checkboxes which have their HTML indeterminate attribute set to true
:playing - The :playing CSS pseudo-class selector is a resource state pseudo-class that will match an audio, video, or similar resource that is capable of being âplayedâ or âpausedâ, when that element is âplayingâ.
:pausedSimilarly, the :paused CSS pseudo-class selector is a resource state pseudo-class that will match an audio or video when that element is âpausedâ.
P.S. playing and paused are currenly is experiment. They are not standardized yet
:right- The :right CSS pseudo-class, used with the @page at-rule, represents all right-hand pages of a printed document.
Similarly, :left pseudo-class for left-hand pages
