html - Why text seemingly has padding when there's no padding nor

I have an h1 with no margin nor padding but there is still some white space above and under the content inside the h1. Is it because of the font or is there something else ? I tried setting margin

How to style element spacing using margin and padding – Splash Help Center

html - Extra space above and below text div that's not marked as padding or margin - Stack Overflow

overflow:scroll and The Right Padding Problem — A CSS Only Solution

Padding vs Margin: The Definitive Guide – UX Engineer

The spacing is all wrong”. Spacing your typography and components…, by Dave House

How to Create Extra Space in HTML or a Web Page

130 Space Quotes That Might Change The Way You See Our World

Why set margin and padding to zero when starting CSS? Whenever I see someone start doing CSS, the first thing I almost always see them do is set everything with an asterisk

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Justify Space Between Individual Items in Flexbox - Jim Nielsen's Blog