background : url(); not working - html

Details : Using Atom File Editor with Mac OS X, Making a new site on localhost and after saving it I check changes on chrome browser. Right now i have come across a problem which causes the image to not show up on the website while i was trying to set background image of a section tag in CSS.
Problem : I am trying to use the stellar.js parallax plugin and for that i need to set the background property of the section tag to an image of my choice. The problem is that when i use "background : url(parallax1.png);" the image does not show up on the website and only a white blank space is shown.
HTML File :
<!-- Attempting Parallax Here -->
<section class="parallax1 pic1">
</section>
<!-- Ending Attempt Here -->
CSS File :
.pic1
{
background : url(parallax1.png);
}
.parallaxcontent
{
background-attachment: fixed;
background-repeat: no-repeat;
position: relative;
background-size : cover;
width: 100%;
height: auto;
}
Points You Should Know :
the image parallax1.png is in the same directory and i have checked the spelling, which is correct.
I have also tried using background-image: instead of background: .
If i use < img src="parallax.png" /> the image shows up perfectly
i have tried to encase parallax.png in '' as well as "".
Any help would be appreciated,
Thanks.

Generally, you should have some content within the section tag or you can set in .pic1 class
min-height:200px;

Try background : url("parallax1.png");
Read more here
CSS background Property

take a look
html
<section class="parallax1 pic1">
</section>
css
.pic1
{
background: blue url("https://static.xx.fbcdn.net/rsrc.php/v2/y6/r/QDLPxJ5bMSg.png");
width: 100px;
height: 32px;
border:1px solid #000;
}
.parallaxcontent
{
background-attachment: fixed;
background-repeat: no-repeat;
position: relative;
background-size : cover;
width: 100%;
height: auto;
}
working Fiddle

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I've tried multiple different ways but none displayed the image as background.
CSS
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HTML
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Edit: image location
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You can try my code.
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background-position: center;
}
<div class="spec">
hi
</div>

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