Bug 1590801 - Add padding for radio button labels in about:config r=paolo

Differential Revision: https://phabricator.services.mozilla.com/D50247

--HG--
extra : moz-landing-system : lando

browser/components/aboutconfig/content/aboutconfig.css

@@ -145,6 +145,10 @@ tr:not(.deleted) > .cell-value {
   text-align: match-parent;
 }
 
+#form-edit > label {
+  padding-inline-end: 10px;
+}
+
 td.cell-value > form > input[type="text"],
 td.cell-value > form > input[type="number"] {
   -moz-appearance: textfield;