Annoying Gap Found Between <header> and <nav>

I am encountering an issue with the spacing between the <header> and <nav> in my HTML5 code. Despite trying to adjust the padding, there remains approximately 5 pixels of empty space that I cannot seem to remove.

If anyone could provide insight into why this gap exists and suggest a solution without resorting to using inline styles, it would be greatly appreciated.

The CSS adjustments I have made so far only seem to increase the white space rather than diminish it, indicating that the problem may not be related to the padding of the <header>.

csshtmlwhitespacesemantic-markup

Answer №1

To correct fitting issues, apply the display block property to the image.

body {
  max-width: 960px;
  margin: 0 auto;
  font-size: 120%;
}
header,
nav {
  margin: 0;
  padding: 0;
  border: 1px solid black;
}
img.mainpicture {
  width: 100%;
  display: block;
}
<header>
  <img class="mainpicture" src="//lorempicsum.com/futurama/960/200/2" alt="A picture" />
</header>
<nav>
  Navigation area.
</nav>

Answer №2

Simply include

img.mainpicture {
.....................
.....................
vertical-align: top;
}

This solution will resolve the problem nicely!

Answer №3

One possible reason for this issue is the inner elements having a margin that extends beyond the boundaries! Additionally, if you have an image tag <img />, it's recommended to give it a display: block; property. Consider trying overflow: hidden; for both the header and nav:


header, nav {
  overflow: hidden;
}

header img {
  display: block;
}

Answer №4

Assign a value of zero to the margin-bottom property.

margin-bottom: 0;

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