Fixed CSS bug in share icons

assets/css/main.css

@@ -233,6 +233,12 @@ main nav .social-buttons a + a {
 	margin-left: 0.5em;
 }
 
+/*	“Share” button.
+	*/
+main nav .social-buttons a.share {
+	font-weight: 900;
+}
+
 /*********/
 /* LINKS */
 /*********/