diff --git a/app/assets/stylesheets/debates.scss b/app/assets/stylesheets/debates.scss
index 7078c6718..e2b32577e 100644
--- a/app/assets/stylesheets/debates.scss
+++ b/app/assets/stylesheets/debates.scss
@@ -679,6 +679,7 @@
       .comment-user {
         margin-top: rem-calc(6);
         padding: rem-calc(6) 0;
+        overflow: hidden;
 
         @each $n in ("1", "2", "3","4", "5") {
           &.level-#{$n} {
diff --git a/app/assets/stylesheets/proposals.scss b/app/assets/stylesheets/proposals.scss
index 9cb27b0c3..ba737596f 100644
--- a/app/assets/stylesheets/proposals.scss
+++ b/app/assets/stylesheets/proposals.scss
@@ -634,6 +634,7 @@
       .comment-user {
         margin-top: rem-calc(6);
         padding: rem-calc(6) 0;
+        overflow: hidden;
 
         @each $n in ("1", "2", "3","4", "5") {
           &.level-#{$n} {
diff --git a/app/views/comments/_errors.html.erb b/app/views/comments/_errors.html.erb
index 777225f64..e70eed258 100644
--- a/app/views/comments/_errors.html.erb
+++ b/app/views/comments/_errors.html.erb
@@ -1,2 +1,3 @@
-<div><%= t("errors.messages.blank").capitalize %></div>
-
+<div class="alert-box alert radius">
+  <%= t("errors.messages.blank").capitalize %>
+</div>