prevent negative margin-bottom for form-item-with-help

without this, value can become negative. this caused following fieldset to float to the right of the field with validation errors
sbusch · May 14, 2019 · 43da8a5 · 43da8a5
1 parent e20845c
commit 43da8a5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/components/form/style/index.less b/components/form/style/index.less
@@ -113,7 +113,7 @@ input[type='checkbox'] {
   }
 
   &-with-help {
-    margin-bottom: @form-item-margin-bottom - @form-explain-height - @form-help-margin-top;
+    margin-bottom: max(0, @form-item-margin-bottom - @form-explain-height - @form-help-margin-top);
   }
 
   &-label {