diff --git a/grade/report/grader/lib.php b/grade/report/grader/lib.php
index 86f968b099b..69bf6079c82 100644
--- a/grade/report/grader/lib.php
+++ b/grade/report/grader/lib.php
@@ -684,7 +684,10 @@ class grade_report_grader extends grade_report {
         $headerrow->attributes['class'] = 'heading';
 
         $studentheader = new html_table_cell();
-        $studentheader->attributes['class'] = 'header';
+        // The browser's scrollbar may partly cover (in certain operative systems) the content in the student header
+        // when horizontally scrolling through the table contents (most noticeable when in RTL mode).
+        // Therefore, add slight padding on the left or right when using RTL mode.
+        $studentheader->attributes['class'] = "header pl-3";
         $studentheader->scope = 'col';
         $studentheader->header = true;
         $studentheader->id = 'studentheader';
@@ -745,6 +748,10 @@ class grade_report_grader extends grade_report {
                 $icon = $OUTPUT->pix_icon('i/enrolmentsuspended', $suspendedstring);
                 $usercell->text .= html_writer::tag('span', $icon, array('class'=>'usersuspendedicon'));
             }
+            // The browser's scrollbar may partly cover (in certain operative systems) the content in the user cells
+            // when horizontally scrolling through the table contents (most noticeable when in RTL mode).
+            // Therefore, add slight padding on the left or right when using RTL mode.
+            $usercell->attributes['class'] .= ' pl-3';
 
             $userrow->cells[] = $usercell;
 
diff --git a/grade/report/grader/styles.css b/grade/report/grader/styles.css
index 92d658e5d9c..e3a6280109f 100644
--- a/grade/report/grader/styles.css
+++ b/grade/report/grader/styles.css
@@ -79,7 +79,6 @@
 }
 
 .path-grade-report-grader .gradeparent .user.cell .userpicture {
-    margin: 0 4px;
     border: none;
     vertical-align: middle;
 }