Improve Instruct mode text readability

css/html_instruct_style.css

@@ -25,9 +25,7 @@
 .message-body {}
 
 .message-body p {
-    margin-bottom: 0 !important;
     font-size: 15px !important;
-    line-height: 1.428571429 !important;
 }
 
 .message-body li {