Is background-color none valid CSS

Question

Can anyone tell me if the following CSS is valid    class       background-color none

User · Answer

write this       class   background-color transparent

User · Answer

The answer is no  Incorrect  class       background-color  none     do not do this       Correct  class       background-color  transparent     background-color  transparent accomplishes the same thing what you wanted to do with background-color  none

User · Answer

class       background-color none      This is not a valid property  W3C validator will display following error      Value Error   background-color none is not a background-color value   none   transparent may have been selected as better term instead of 0 or none values during the development of specification of CSS

User · Answer

So  I would like to explain the scenario where I had to make use of this solution  Basically  I wanted to undo the background-color attribute set by another CSS  The expected end result was to make it look as though the original CSS had never applied the background-color attribute   Setting background-color transparent  made that effective

User · Answer

CSS Level 3 specifies the unset property value  From MDN      The unset CSS keyword is the combination of the initial and inherit   keywords  Like these two other CSS-wide keywords  it can be applied to   any CSS property  including the CSS shorthand all  This keyword resets   the property to its inherited value if it inherits from its parent or   to its initial value if not  In other words  it behaves like the   inherit keyword in the first case and like the initial keyword in the   second case    Unfortunately this value is currently not supported in all browsers  including IE  Safari and Opera  I suggest using transparent for the time being

User · Answer

No  use transparent instead none   See working example here  in this example if you will change transparent to none it will not work  use like  class   background-color transparent      Where  class is what you will name your transparent class

User · Answer

You probably want transparent as none is not a valid background-color value   The CSS 2 1 spec states the following for the background-color property      Value     lt color gt    transparent   inherit    lt color gt  can be either a keyword or a numerical representation of a colour  Valid color keywords are      aqua  black  blue  fuchsia  gray  green  lime  maroon  navy  olive    orange  purple  red  silver  teal  white  and yellow   transparent and inherit are valid keywords in their own right  but none is not

[css] Is background-color:none valid CSS?

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