Update Button component to use $primary prop

Signed-off-by: Kishore B <85435355+kishore08-07@users.noreply.github.com>

Author: kishore08-07

src/sections/Company/Brand/Brand-components/social-backgrounds.js

@@ -18,7 +18,7 @@ const SocialBackgrounds = () => {
         </Col>
         <Col xs={12} sm={6} className="download-button">
           <a href="/brand/layer5-social-backgrounds.zip">
-            <Button primary title="Download Social Backgrounds">
+            <Button $primary title="Download Social Backgrounds">
               <FiDownloadCloud size={21} className="icon-left" />
             </Button>
           </a>