all
Quick Summary for all
all shorthand CSS property resets all of an element's properties except unicode-bidi, direction, and CSS Custom Properties. It can set properties to their initial or inherited values, or to the values specified in another stylesheet origin.
Code Usage for all
/* Global values */ all: initial; all: inherit; all: revert; all: unset; More Details for all
all
The all shorthand CSS property resets all of an element's properties except unicode-bidi, direction, and CSS Custom Properties. It can set properties to their initial or inherited values, or to the values specified in another stylesheet origin.
Syntax
/* Global values */ all: initial; all: inherit; all: revert; all: unset; The all property is specified as one of the CSS global keyword values. Note that none of these values affect the unicode-bidi and direction properties.
Values
initial Specifies that all the element's properties should be changed to their initial values.
inherit Specifies that all the element's properties should be changed to their inherited values.
unset Specifies that all the element's properties should be changed to their inherited values if they inherit by default, or to their initial values if not.
revert Specifies behavior that depends on the stylesheet origin to which the declaration belongs:
User-agent originEquivalent to unset.
Rolls back the cascade to the user-agent level, so that the specified values are calculated as if no author-level or user-level rules were specified for the element.
Author originRolls back the cascade to the user level, so that the specified values are calculated as if no author-level rules were specified for the element. For purposes of revert, the Author origin includes the Override and Animation origins.
Formal definition
| Initial value | There is no practical initial value for it. |
|---|---|
| Applies to | all elements |
| Inherited | no |
| Computed value | as the specified value applies to each property this is a shorthand for. |
| Animation type | as each of the properties of the shorthand (all properties but unicode-bidi and direction) |
Formal syntax
initial | inherit | unset | revert
Examples
HTML
<blockquote id="quote"> Lorem ipsum dolor sit amet, consectetur adipiscing elit. </blockquote> Phasellus eget velit sagittis. CSS
body { font-size: small; background-color: #F0F0F0; color: blue; margin: 0; padding: 0; } blockquote { background-color: skyblue; color: red; } Result
Noall property The <blockquote> uses the browser's default styling which gives it a margin, together with a specific background and text color. It also behaves as a block element: the text that follows it is beneath it.
all:unset The <blockquote> doesn't use the browser default styling: it is an inline element now (initial value), its background-color is transparent (initial value), but its font-size is still small (inherited value) and its color is blue (inherited value).
all:initial The <blockquote> doesn't use the browser default styling: it is an inline element now (initial value), its background-color is transparent (initial value), its font-size is normal (initial value) and its color is black (initial value).
all:inherit The <blockquote> doesn't use the browser default styling: it is a block element now (inherited value from its containing <body> element), its background-color is #F0F0F0 (inherited value), its font-size is small (inherited value) and its color is blue (inherited value).
Specifications
| Specification |
|---|
| CSS Cascading and Inheritance Level 3 # all-shorthand |
See also
CSS global keyword values: initial, inherit, unset, revert
Last modified: Aug 12, 2021, by MDN contributors
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Random Quote
"Olivia, my eldest daughter, caught measles when she was seven years old. As the illness took its usual course I can remember reading to her often in bed and not feeling particularly alarmed about it. Then one morning, when she was well on the road to recovery, I was sitting on her bed showing her how to fashion little animals out of coloured pipe-cleaners, and when it came to her turn to make one herself, I noticed that her fingers and her mind were not working together and she couldn’t do anything. 'Are you feeling all right?' I asked her. 'I feel all sleepy,' she said. In an hour, she was unconscious. In twelve hours she was dead. The measles had turned into a terrible thing called measles encephalitis and there was nothing the doctors could do to save her. That was...in 1962, but even now, if a child with measles happens to develop the same deadly reaction from measles as Olivia did, there would still be nothing the doctors could do to help her. On the other hand, there is today something that parents can do to make sure that this sort of tragedy does not happen to a child of theirs. They can insist that their child is immunised against measles. ...I dedicated two of my books to Olivia, the first was ‘James and the Giant Peach’. That was when she was still alive. The second was ‘The BFG’, dedicated to her memory after she had died from measles. You will see her name at the beginning of each of these books. And I know how happy she would be if only she could know that her death had helped to save a good deal of illness and death among other children."
I just checked google books for BFG, and the dedication is there.
https://www.google.com.au/books/edition/_/quybcXrFhCIC?hl=en&gbpv=1
Roald Dahl, 1986
