diff --git a/phpBB/styles/prosilver/theme/forms.css b/phpBB/styles/prosilver/theme/forms.css
index 5646a7d6c7..7daecaaaa3 100644
--- a/phpBB/styles/prosilver/theme/forms.css
+++ b/phpBB/styles/prosilver/theme/forms.css
@@ -248,6 +248,10 @@ fieldset.submit-buttons input {
 	margin: 15px 0 2px 0;
 }
 
+.format-buttons .button {
+	margin-bottom: 3px;
+}
+
 .format-buttons input, .format-buttons select {
 	vertical-align: middle;
 }