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short hexcodes (#20964)

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Max Harmony
2018-11-04 00:40:00 -04:00
committed by Huyen Nguyen
parent d480010d9d
commit 0e80d750a3
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guide/english/css/colors/index.md
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@ -55,6 +55,8 @@ Hex codes are case insensitive, meaning that #FFFFFF and #ffffff would be the sa
Additionally, there are 16,777,216 possible color combinations using hexcode.
A shorthand form also exists. The shorthand #ABC is equivalent to #AABBCC. In this form, 4096 colours are available.
### Opacity
The CSS3 opacity property sets the opacity for the whole element (both background color and text will be opaque/transparent). Unlike alpha values specified with rgba and hsla, opacity is inherited by child elements.