my CSS background will not show on github pages - html

Question

I created a page on GitHub, however the background I coded through CSS will not appear on my page. The CSS code is shown below.
header {
background-image: url("resources/img/antelope.JPG");
background-size: cover;
background-position: center;
height: 100vh;
}
My github repo is: https://github.com/person/person.github.io
The CSS file is stored here:
https://github.com/person/person.github.io/blob/master/resources/css/style.css
Any help to why my background will not appear will be greatly appreciated.

Answer 1

Your image is not inside the resources folder.... it is at the same level as the index.html page - your URL should be url("antelope.JPG");
UPDATE
Looking at your changes, the URL should be as below now:
If you do not do anything, the URL should be: resources/img/antelope.jpg
if you package resources into the root folder then: ./img/antelope.jpg
but, the final URL will depend on how you build your page and beware that the server might be case-sensitive.
Make sure you indicate the correct filename (including case-sensitive extension)
Something along the lines of
header {
background-image: url(./img/antelope.jpg); /* may need to be adjusted depending on how you build your page */
background-size: cover;
background-position: center;
height: 100vh;
}
<header>
<nav>
Some navigation here
</nav>
</header>

Answer 2

To use one from the root directory (https://github.com/anhthyngo/anhthyngo.github.io) use next CSS:
header {
background-image: url('../../antelope.JPG');
background-size: cover;
background-position: center;
height: 100vh;
}
to use from img directory use next CSS:
header {
background-image: url(../img/antelope.jpg);
background-size: cover;
background-position: center;
height: 100vh;
}