Fixes #7885 and #7886: only right align horizontal form labels when above 768px

docs/assets/css/bootstrap.css

@@ -1700,7 +1700,12 @@ select:focus:invalid:focus {
 
 .form-horizontal .row-label {
   padding-top: 6px;
-  text-align: right;
+}
+
+@media (min-width: 768px) {
+  .form-horizontal .row-label {
+    text-align: right;
+  }
 }
 
 .btn {

less/forms.less

@@ -478,6 +478,12 @@ select:focus:invalid {
   }
   .row-label {
     padding-top: 6px;
+  }
+}
+
+// Only right aline form labels here when the columns stop stacking
+@media (min-width: 768px) {
+  .form-horizontal .row-label {
     text-align: right;
   }
 }