Update style.css

css/style.css

@@ -294,6 +294,9 @@ body {
 .button.tor::before {
   background: #7D4698; }
 
+.button.sfk::before {
+  background: #f8ed33; }
+
 .button.boxed.white {
   border: 1px solid #fff;
   background: none;
@@ -333,6 +336,16 @@ body {
   color: #fff;
   background: #7D4698; }
 
+.button.boxed.sfk {
+  border: 1px solid #000;
+  background: none;
+  color: #000; }
+
+.button.boxed.sfk:hover {
+  color: #fff;
+  background: #000;
+  border: 1px solid #f8ed33; }
+
 .button.boxed.identihub {
   border: 1px solid #58595b;
   background: none;