HTML containers continue to show gaps even with no margin or padding applied

I have a basic setup here with a single line of red text on a colored background. Despite setting margin and padding to zero and not having any child elements causing spacing issues, I still see a gap around my container.

Here's my CSS:

{
    width: auto;
    height: 100%;
    margin:0px;
    padding:0px; 
    

    background-color: rgb(207, 30, 30);
   
}

And here's my HTML:

<div class="main-container">
TEST
</div>

But the result I'm seeing looks like this: https://i.sstatic.net/QB6OP.png

If anyone could shed some light on what might be causing this simple issue, I would greatly appreciate it.

Answer №1

Did you wrap your entire element in the body tag? If so, make sure to apply a margin and padding of 0 to it. You can achieve this in your CSS like so:

body {
   margin: 0;
   padding: 0;
}

This will eliminate any unwanted space around your content.

Answer №2

The default margin of the body element is actually 8px, as stated in this Stack Overflow post. Therefore, setting it to 0 should resolve the issue.

body { margin: 0; }

Answer №3

Web browsers typically come with predefined settings for elements, including margins. Depending on the browser you are using, there may be default margin settings applied to parent elements. To override these defaults, it is common to include the following code at the top of stylesheets:

  • { margin: 0; padding: 0; }

This snippet of code helps remove any unwanted margins and paddings set by the browser.

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