I've seen this quite a few times now. When people want to assign a CSS property to the whole window/document, they sometimes do
html, body {
myCSSProperty: someValue;
}
For example, see the answer I accepted here, or see this article.
I am wondering if assigning CSS properties to both html
and body
is to overcome browser bugs, required for all browsers, a purely psychological thing, a common misconception or misunderstanding of the tags html
and body
, or something else.
I would be glad if someone could demystify the situation for me, separating the cases where CSS properties need to be assigned to html
or body
, or both, with specific examples and explanations.
This article has great information about the <html>
and <body>
tags in terms of CSS. The short of it is this (taken from the top of the article):
html
and body
elements are distinct block-level entities, in a parent/child relationship.html
element's height and width are controlled by the browser window.html
element which has (by default) overflow:auto
, causing scrollbars to appear when needed.body
element is (by default) position:static
, which means that positioned children of it are positioned relative to the html
element's coordinate system.margin
on the body
element, not padding
on the html
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