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What’s the default margin that HTML sets for its <body> tag? I noticed that there’s some automatic margin, but I’m wondering if anyone knows how much it is (and whether it’s in px or %, etc.).
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In most major browsers, the default margin is
8pxon all sides. It is defined in pixels by theuser-agent-stylesheetyour browser provides.Some browsers allow you to create and use your own
user-agent-stylesheet, but if you are developing a website, I would recommend staying away from changing this, since your users most likely will not have a modified stylesheet and would then see a different page than you do.If you want to change it, you can just do this:
But if you have a large project and want to be more complete, use normalize.css. It resets a lot of default values to be consistent across browsers.
According to W3School's CSS reference, the default properties and values for a body tag are,
And one can quickly get the computed details of any element by accessing the Computed Pane in the Chrome Dev tools.