How to put a background image, template Wallbase Blogger Template?

[Templatesyard]

Good afternoon. I installed the template Template Wallbase Blogger. But he does not have a background image for the main page. Where in the code, and how, I need to make the desired URL picture?

I tried to enter here like this:
/ * —————————————— ———-
            {——–} Generic {——–}
————————————————– – * /
body {
margin: 0 auto;
padding: 0px 0px 0px 0px;
background: url (http://s1.radikale.ru/uploads/2017/11/28/ca31b3ff135b317ed20345b941596b38-full.jpg);
font-family: Arial, Tahoma, Century gothic, sans-serif;
color: # 666;
font-size: 13px;
}

But the picture at the background still does not appear.

Thank you in advance.

[Author]

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