`How can I effectively utilize the :root pseudo class in my CSS?`

When I apply CSS to the root (html element) to determine the display style of a webpage, there always seems to be some space around the content even when setting margin and padding to 0px. However, if I use the body element instead of the root(html element), the white space disappears. Should I stick to using CSS on the html (root) element or is applying CSS to the body enough?

Answer №1

:root identifies the root element in a document tree.

In HTML, :root refers to the <html> element

Therefore, if there are default styles set on the <body> element, using :root will not have any impact.

html {
  border: 2px solid green;
}

:root {
  border: 2px solid red;
}

body {
  border: 2px solid blue;
}
Inspect this snippet to observe applied CSS

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