Help Code

I am facing a problem with the code that generates the home of the site, it is loading an external link that is preventing SSL from loading perfectly, I already searched all the files and I do not find where I can remove this call, I would like help with this. Thank you

}
.boxi1 {
margin-bottom: 20px;
text-align: center;
padding-top: 20px;
background: #f2f2f2;
}
.boxi1 div {
font-size: 28px;
}
html {
background: url(‘http://themes.kadencethemes.com/virtue2/wp-content/uploads/2015/04/photo-1429032435038-dd9efae71534.jpg‘) no-repeat center center fixed;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
}