diff --git a/app/static/scss/_colours.scss b/app/static/scss/_colours.scss
index 6949caaa..2cb20634 100644
--- a/app/static/scss/_colours.scss
+++ b/app/static/scss/_colours.scss
@@ -4,4 +4,12 @@ $green: #00b550;
 $green-hover: #83f188;
 $light-grey: #ddd;
 $grey: #bbb;
-$dark-grey: #777;
\ No newline at end of file
+$dark-grey: #777;
+
+.red {
+  color: red;
+}
+
+.orangered {
+  color: orangered;
+}
\ No newline at end of file
diff --git a/app/static/scss/_typography.scss b/app/static/scss/_typography.scss
index c28d2f94..78846d5a 100644
--- a/app/static/scss/_typography.scss
+++ b/app/static/scss/_typography.scss
@@ -137,6 +137,10 @@
   content: "\e9d7";
 }
 
+.fe-warning::before {
+  content: "\e904";
+}
+
 .fe-arrow-up::before {
   content: "\e914";
 }
diff --git a/app/static/structure.css b/app/static/structure.css
index b4a365ff..e703bf4c 100644
--- a/app/static/structure.css
+++ b/app/static/structure.css
@@ -1,5 +1,13 @@
 /* This file contains SCSS used for creating the general structure of pages. Selectors should be things like body, h1,
 nav, etc which are used site-wide */
+.red {
+  color: red;
+}
+
+.orangered {
+  color: orangered;
+}
+
 .pl-0 {
   padding-left: 0 !important;
 }
@@ -140,6 +148,10 @@ nav, etc which are used site-wide */
   content: "\e9d7";
 }
 
+.fe-warning::before {
+  content: "\e904";
+}
+
 .fe-arrow-up::before {
   content: "\e914";
 }
@@ -638,4 +650,13 @@ fieldset legend {
   display: block !important;
 }
 
+.moderator_list {
+  list-style-type: none;
+  padding-left: 0;
+}
+.moderator_list li {
+  display: inline-block;
+  padding-right: 5px;
+}
+
 /*# sourceMappingURL=structure.css.map */
diff --git a/app/static/structure.scss b/app/static/structure.scss
index 2f560e86..b234c5b9 100644
--- a/app/static/structure.scss
+++ b/app/static/structure.scss
@@ -373,4 +373,14 @@ nav, etc which are used site-wide */
 
 .show_menu {
   display: block!important;
-}
\ No newline at end of file
+}
+
+.moderator_list {
+  list-style-type: none;
+  padding-left: 0;
+
+  li {
+    display: inline-block;
+    padding-right: 5px;
+  }
+}
diff --git a/app/static/styles.css b/app/static/styles.css
index a62eae67..02745ec2 100644
--- a/app/static/styles.css
+++ b/app/static/styles.css
@@ -1,4 +1,12 @@
 /* */
+.red {
+  color: red;
+}
+
+.orangered {
+  color: orangered;
+}
+
 .pl-0 {
   padding-left: 0 !important;
 }
@@ -139,6 +147,10 @@
   content: "\e9d7";
 }
 
+.fe-warning::before {
+  content: "\e904";
+}
+
 .fe-arrow-up::before {
   content: "\e914";
 }
diff --git a/app/templates/base.html b/app/templates/base.html
index 096e6898..143b0171 100644
--- a/app/templates/base.html
+++ b/app/templates/base.html
@@ -11,6 +11,12 @@
         {% if user.created_recently() %}
             <span class="fe fe-new-account" title="New account"> </span>
         {% endif %}
+        {% if user.reputation < -10 %}
+            <span class="fe fe-warning red" title="Very low reputation. Beware."> </span>
+            <span class="fe fe-warning red" title="Very low reputation. Beware!"> </span>
+        {% elif user.reputation < 0 %}
+            <span class="fe fe-warning orangered" title="Low reputation."> </span>
+        {% endif %}
     {% endif %}
 </span>
 {% endmacro %}
diff --git a/app/templates/community/community.html b/app/templates/community/community.html
index 18d83eae..fc36868b 100644
--- a/app/templates/community/community.html
+++ b/app/templates/community/community.html
@@ -84,11 +84,11 @@
                  <h2>{{ _('About community') }}</h2>
             </div>
             <div class="card-body">
-                <p>{{ community.description_html|safe }}</p>
-                <p>{{ community.rules_html|safe }}</p>
+                <p>{{ community.description_html|safe if community.description_html else '' }}</p>
+                <p>{{ community.rules_html|safe if community.rules_html else '' }}</p>
                 {% if len(mods) > 0 and not community.private_mods %}
                     <h3>Moderators</h3>
-                    <ul>
+                    <ul class="moderator_list">
                         {% for mod in mods %}
                             <li>{{ render_username(mod) }}</li>
                         {% endfor %}
diff --git a/app/templates/post/post.html b/app/templates/post/post.html
index 9100ab47..4d4f938f 100644
--- a/app/templates/post/post.html
+++ b/app/templates/post/post.html
@@ -47,7 +47,8 @@
         <div class="row post_replies">
             <div class="col">
                 {% macro render_comment(comment) %}
-                    <div id="comment_{{ comment['comment'].id }}" class="comment {% if comment['comment'].score <= -10 %}low_score{% endif %}">
+                    <div id="comment_{{ comment['comment'].id }}" class="comment {% if comment['comment'].score <= -10 %}low_score{% endif %}
+                        {% if comment['comment'].author.id == post.author.id %}original_poster{% endif %}">
                         <div class="limit_height">
                             <div class="voting_buttons">
                                 {% with comment=comment['comment'] %}
@@ -75,6 +76,12 @@
                                 {% if comment['comment'].author.created_recently() %}
                                     <span class="fe fe-new-account small" title="New account"> </span>
                                 {% endif %}
+                                {% if comment['comment'].author.reputation < -10 %}
+                                    <span class="fe fe-warning red" title="Very low reputation. Beware."> </span>
+                                    <span class="fe fe-warning red" title="Very low reputation. Beware!"> </span>
+                                {% elif comment['comment'].author.reputation < 0 %}
+                                    <span class="fe fe-warning orangered" title="Low reputation."> </span>
+                                {% endif %}
                                 {% if comment['comment'].author.id == post.author.id %}<span title="Submitter of original post" aria-label="submitter" class="small">[OP]</span>{% endif %}
                                 <span class="text-muted small">{{ moment(comment['comment'].posted_at).fromNow(refresh=True) }}{% if comment['comment'].edited_at %}, edited {{ moment(comment['comment'].edited_at).fromNow(refresh=True) }} {% endif %}</span>
                             </div>
@@ -146,15 +153,15 @@
                  <h2>{{ _('About community') }}</h2>
             </div>
             <div class="card-body">
-                <p>{{ post.community.description_html|safe }}</p>
-                <p>{{ post.community.rules_html|safe }}</p>
+                <p>{{ community.description_html|safe if community.description_html else '' }}</p>
+                <p>{{ community.rules_html|safe if community.rules_html else '' }}</p>
                 {% if len(mods) > 0 and not post.community.private_mods %}
                     <h3>Moderators</h3>
-                    <ol>
+                    <ul class="moderator_list">
                         {% for mod in mods %}
                             <li><a href="/u/{{ mod.user_name }}">{{ mod.user_name }}</a></li>
                         {% endfor %}
-                    </ol>
+                    </ul>
                 {% endif %}
             </div>
         </div>