Immersive Bootstrap Header Design

I've been attempting to achieve a full-screen background within the header element, but for some reason it's not displaying properly?

Code

header {
  position: relative;
  width: 100%;
  min-height: auto;
  text-align: center;
  color: #fff;
  background-image: url(../img/header.jpg);
  background-position: center;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-size: cover;
  -o-background-size: cover;
}
<header></header>

Answer №1

The code is missing a crucial element, height:100%, in the header section. However, even after adding this style property, the content will not display as expected. This is because the header is a child of both body and html, requiring them to also have height:100% and width:100% applied.

body,
html {
  height: 100%;
  width: 100%;
  margin: 0;
}
header {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  color: #fff;
  background: url(//placehold.it/500) center / cover;
}
<header></header>

Alternatively, you can utilize 100vh for a different approach.

body{
  margin: 0;
}
header {
  position: relative;
  width: 100%;
  height: 100vh;
  text-align: center;
  color: #fff;
  background: url(//placehold.it/500) center / cover;
}
<header></header>

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