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WebKit custom scrollbars

webkit scrollbars

Works in Chrome and Safari.
WebKit supports styling of the scrollbars in overflow sections, listboxes, dropdown menus and textareas.

These are the pseudo elements - the actual parts of the scrollbars:

::-webkit-scrollbar              { /* 1 */ }
::-webkit-scrollbar-button       { /* 2 */ }
::-webkit-scrollbar-track        { /* 3 */ }
::-webkit-scrollbar-track-piece  { /* 4 */ }
::-webkit-scrollbar-thumb        { /* 5 */ }
::-webkit-scrollbar-corner       { /* 6 */ }
::-webkit-resizer                { /* 7 */ }

webkit scrollbar parts

The different states of scrollbars:

:horizontal
:vertical
:decrement
:increment
:start
:end 
:double-button
:single-button
:no-button
:corner-present
:window-inactive

:horizontal – The horizontal pseudo-class applies to any scrollbar pieces that have a horizontal orientation.

:vertical – The vertical pseudo-class applies to any scrollbar pieces that have a vertical orientation.

:decrement – The decrement pseudo-class applies to buttons and track pieces. It indicates whether or not the button or track piece will decrement the view’s position when used (e.g., up on a vertical scrollbar, left on a horizontal scrollbar).

:increment – The increment pseudo-class applies to buttons and track pieces. It indicates whether or not a button or track piece will increment the view’s position when used (e.g., down on a vertical scrollbar, right on a horizontal scrollbar).

:start – The start pseudo-class applies to buttons and track pieces. It indicates whether the object is placed before the thumb.

:end – The end pseudo-class applies to buttons and track pieces. It indicates whether the object is placed after the thumb.

:double-button – The double-button pseudo-class applies to buttons and track pieces. It is used to detect whether a button is part of a pair of buttons that are together at the same end of a scrollbar. For track pieces it indicates whether the track piece abuts a pair of buttons.

:single-button – The single-button pseudo-class applies to buttons and track pieces. It is used to detect whether a button is by itself at the end of a scrollbar. For track pieces it indicates whether the track piece abuts a singleton button.

:no-button – Applies to track pieces and indicates whether or not the track piece runs to the edge of the scrollbar, i.e., there is no button at that end of the track.

:corner-present – Applies to all scrollbar pieces and indicates whether or not a scrollbar corner is present.

:window-inactive – Applies to all scrollbar pieces and indicates whether or not the window containing the scrollbar is currently active. (In recent nightlies, this pseudo-class now applies to ::selection as well. We plan to extend it to work with any content and to propose it as a new standard pseudo-class.)

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