diff --git a/mod/forum/styles.css b/mod/forum/styles.css
index ffcb097d24a..0ad506081d4 100644
--- a/mod/forum/styles.css
+++ b/mod/forum/styles.css
@@ -48,11 +48,16 @@
 .dir-rtl .forumpost .row .content-mask,
 .dir-rtl .forumpost .row .options {margin-right:43px;margin-left:0;}
 .dir-rtl .forumpost .row .left {float:right;}
-.dir-rtl.path-mod-forum .indent {margin-right:30px;margin-left:0;}
+.dir-rtl.path-mod-forum .indent {
+    margin-right: 3%;
+    margin-left: 0;
+}
 
 .path-mod-forum .forumolddiscuss,
 #page-mod-forum-search .c0 {text-align:right;}
-.path-mod-forum .indent {margin-left: 30px;}
+.path-mod-forum .indent {
+    margin-left: 3%;
+}
 .path-mod-forum .forumheaderlist {width: 100%;border-width:1px;border-style:solid;border-collapse:separate;margin-top: 10px;}
 .path-mod-forum .forumheaderlist td {border-width:1px 0px 0px 1px;border-style:solid;}
 .path-mod-forum .forumheaderlist th.header.replies .iconsmall { margin: 0 .3em;}
@@ -108,4 +113,4 @@ span.unread {
 }
 .forumpost.unread .row.header {
     border-bottom: 1px solid #DDD;
-}
\ No newline at end of file
+}