Struggling with main content not properly overlapping with nav bar in HTML and CSS code

Looking for assistance with centering the main content area on a webpage both vertically and horizontally.

After adding a CSS nav bar, scroll bars appeared on the page and the main div lost its center positioning, seeming to be shifted down and to the right by the nav bar. I want the main div to stay centrally positioned while the nav bar overlays everything else to avoid affecting the main div's placement.

Although I've tried adjusting the z-index values, it hasn't resolved the issue. Can anyone provide guidance on how to fix this correctly?

Thanks in advance!

(Just starting out and learning as I go!)

javascripthtmlcssoverflow

Answer №1

One way to fix the issue is by setting the body padding and margin to 0.

body {
    z-index: 0;
    background-color: black;
    width: 100vw;
    height: 100vh;
    padding: 0;
    margin: 0
}

While this solution may work for your current problem, you might encounter the same issue in other divs. To prevent this, I recommend setting all paddings and margins to zero like this:

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box
}

It's important to learn how to debug your CSS. You can find more information on debugging CSS here: https://developer.mozilla.org/en-US/docs/Learn/CSS/Building_blocks/Debugging_CSS

Answer №2

The issue lies within the body of your webpage, not the navbar. To resolve this, simply include margin: 0 and padding: 0 in your body CSS, which should eliminate the scrollbars.

To see a practical example of your webpage with the margin: 0 property added, you can check and run the following Code Snippet or visit this CodePen link:

// JavaScript code snippet
// CSS code snippet
// HTML code snippet

As explained in the answer provided on this Stack Overflow thread, the reason for default non-zero values for margin and padding is due to varying default style-sheets in different browsers.

Answer №3

Revamp your webpage's appearance by adjusting the body's CSS attributes as shown below:

body {
    z-index: 0;
    background-color: black;
    width: 100vw;
    height: 100vh;
    padding: 0px;
    margin: 0px;
}

Eliminate both vertical and horizontal scrollbars by setting the body's padding and margin to 0px :)

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