Change fieldset border, make it simlar to Address and group fields border

hypha/static_src/src/sass/normalize.scss

@@ -229,6 +229,9 @@ button:-moz-focusring,
 
 fieldset {
   padding: 0.35em 0.75em 0.625em;
+  border-width: 1px;
+  border-style: solid;
+  border-color: #cfcfcf;
 }
 
 /**