It's such a simple thing, but it's causing me a major headache: How can I get rid of the top and bottom margin that seems to be automatically added to HTML text components?
<!DOCTYPE html>
<html>
<body>
<h1 style="background-color: red; margin: 0px; padding: 0px">Hello World!</h1>
</body>
</html>
Specifically, I'm referring to the blacked-out areas at the top and bottom here: