Adjust label padding (#10957)

* Adjust label padding

* fix less complaint

* Make top/bottom padding a bit smaller to create better label look

web_src/less/_base.less

@@ -1037,6 +1037,10 @@ i.icon.centerlock {
     top: 1.45em;
 }
 
+.ui.label {
+    padding: .3em .5em;
+}
+
 .ui.label > .detail .icons {
     margin-right: .25em;
 }