diff --git a/ippisite/ippidb/static/css/main.css b/ippisite/ippidb/static/css/main.css
index 874b916252ef500a5d33de14f06e022d1b869457..171ebc86a28024a998576fec99a8b26ca9c1120d 100644
--- a/ippisite/ippidb/static/css/main.css
+++ b/ippisite/ippidb/static/css/main.css
@@ -147,9 +147,9 @@ div.hidden {
 .main-nav {
     margin: 0 auto;
     position: relative;
-    width: max-content;
     text-align: center;
-    height: 35px;
+    text-wrap: balance;
+    height: auto;
 }
 
 .main-nav ul {
@@ -157,6 +157,7 @@ div.hidden {
     margin: 0px;
     padding: 0px;
     border: 0px none;
+    width: auto;
 }
 
 .main-nav ul li {
@@ -165,6 +166,7 @@ div.hidden {
     display: inline-block;
     vertical-align: middle;
     margin: 0px 30px;
+    width: 6rem;
 }
 
 .main-nav ul li a {
diff --git a/ippisite/ippidb/templates/FAQ.html b/ippisite/ippidb/templates/FAQ.html
index be6d8864084c0e944fffd626f4818303bf645139..e41ca8d686cbf039994de32746d68c067cedeef2 100644
--- a/ippisite/ippidb/templates/FAQ.html
+++ b/ippisite/ippidb/templates/FAQ.html
@@ -1,72 +1,81 @@
-{% extends "index.html" %}
+{% extends "base.html" %}
 {% block title %}iPPI-DB FAQ{% endblock %}
 {% block extra_css %}
-<link rel="stylesheet" href="/static/bootstrap/css/bootstrap.min.css">
+<link rel="stylesheet" href="/static/css/font.css">
+<link rel="stylesheet" href="/static/css/main.css">
 {% endblock %}
 {% block content %}
 
 <div class="inner-wrap">
-    <div class="container-fluid p-5">
-        <h1 class="page-title"> FAQ </h1>
-        <div class="row m-2">
-            <div class="col-sm-6">
-                <h2 class="text-center">COMPOUNDS</h2>
-            </div>
-            <div class="col-sm-6">
-                <h2 class="text-center">PROTEIN INTERACTION EXPLORER</h2>
-            </div>
-        </div>
-        <div class="row m-2">
-            <div class="col-6">
-                <div id="accordion_compounds">
-                    {% for faq in faq_list %}
-                    {% if faq.type == 'compounds' %}
-                    <div class="card">
-                        <div class="card-header" id="heading{{ faq.id }}">
-                            <h5 class="mb-0">
-                                <button style="white-space: normal;" class="btn btn-link collapsed"
-                                    data-toggle="collapse" data-target="#collapse{{ faq.id }}" aria-expanded="false"
-                                    aria-controls="collapse{{ faq.id }}">
-                                    {{ faq.question }}
-                                </button>
-                            </h5>
+    <div id="main-wrapper" class="page">
+        <div id="main">
+            <div class="content mt-3" class="main-content">
+                <div class="section">
+                    <main role="main">
+                        <h1 class="page-title"> FAQ </h1>
+                        <div class="row m-4">
+                            <div class="col-sm-6">
+                                <h2 class="text-center">COMPOUNDS</h2>
+                            </div>
+                            <div class="col-sm-6">
+                                <h2 class="text-center">PROTEIN INTERACTION EXPLORER</h2>
+                            </div>
                         </div>
+                        <div class="row m-4">
+                            <div class="col-6">
+                                <div id="accordion_compounds">
+                                    {% for faq in faq_list %}
+                                    {% if faq.type == 'compounds' %}
+                                    <div class="card">
+                                        <div class="card-header" id="heading{{ faq.id }}">
+                                            <h5 class="mb-0">
+                                                <button style="white-space: normal;" class="btn btn-link collapsed"
+                                                    data-toggle="collapse" data-target="#collapse{{ faq.id }}"
+                                                    aria-expanded="false" aria-controls="collapse{{ faq.id }}">
+                                                    {{ faq.question }}
+                                                </button>
+                                            </h5>
+                                        </div>
 
-                        <div id="collapse{{ faq.id }}" class="collapse" aria-labelledby="heading{{ faq.id }}"
-                            data-parent="#accordion_compounds">
-                            <div class="card-body">
-                                {{ faq.answer }}
+                                        <div id="collapse{{ faq.id }}" class="collapse"
+                                            aria-labelledby="heading{{ faq.id }}" data-parent="#accordion_compounds">
+                                            <div class="card-body">
+                                                {{ faq.answer }}
+                                            </div>
+                                        </div>
+                                    </div>
+                                    {% endif %}
+                                    {% endfor %}
+                                </div>
                             </div>
-                        </div>
-                    </div>
-                    {% endif %}
-                    {% endfor %}
-                </div>
-            </div>
-            <div class="col-6">
-                <div id="accordion_pie">
-                    {% for faq in faq_list %}
-                    {% if faq.type == 'pie' %}
-                    <div class="card">
-                        <div class="card-header" id="heading{{ faq.id }}">
-                            <h5 class="mb-0">
-                                <button style="white-space: normal;" class="btn btn-link collapsed"
-                                    data-toggle="collapse" data-target="#collapse{{ faq.id }}" aria-expanded="false"
-                                    aria-controls="collapse{{ faq.id }}">
-                                    {{ faq.question }}
-                                </button>
-                            </h5>
-                        </div>
+                            <div class="col-6">
+                                <div id="accordion_pie">
+                                    {% for faq in faq_list %}
+                                    {% if faq.type == 'pie' %}
+                                    <div class="card">
+                                        <div class="card-header" id="heading{{ faq.id }}">
+                                            <h5 class="mb-0">
+                                                <button style="white-space: normal;" class="btn btn-link collapsed"
+                                                    data-toggle="collapse" data-target="#collapse{{ faq.id }}"
+                                                    aria-expanded="false" aria-controls="collapse{{ faq.id }}">
+                                                    {{ faq.question }}
+                                                </button>
+                                            </h5>
+                                        </div>
 
-                        <div id="collapse{{ faq.id }}" class="collapse" aria-labelledby="heading{{ faq.id }}"
-                            data-parent="#accordion_pie">
-                            <div class="card-body">
-                                {{ faq.answer }}
+                                        <div id="collapse{{ faq.id }}" class="collapse"
+                                            aria-labelledby="heading{{ faq.id }}" data-parent="#accordion_pie">
+                                            <div class="card-body">
+                                                {{ faq.answer }}
+                                            </div>
+                                        </div>
+                                    </div>
+                                    {% endif %}
+                                    {% endfor %}
+                                </div>
                             </div>
                         </div>
-                    </div>
-                    {% endif %}
-                    {% endfor %}
+                    </main>
                 </div>
             </div>
         </div>
diff --git a/ippisite/ippidb/templates/about-pie.html b/ippisite/ippidb/templates/about-pie.html
new file mode 100644
index 0000000000000000000000000000000000000000..eed8ffa25bbb1a7100a1b528decb54feb8707d5c
--- /dev/null
+++ b/ippisite/ippidb/templates/about-pie.html
@@ -0,0 +1,50 @@
+{% extends "index.html" %}
+
+
+{% block title %}about Protein Interaction{% endblock %}
+
+{% block content %}
+<div class="inner-wrap">
+    <div id="main-wrapper" class="page">
+        <div id="main">
+            <div id="content" class="main-content">
+                <div class="section">
+                    <main role="main">
+                        <h1 class="page-title"> {% block pagetitle %}GENERAL INFORMATION{% endblock%} </h1>
+                        <div class="tabs"></div>
+                        <div class="main__inner">
+                            <div class="region region-content">
+                                <div class="page-intro">
+                                </div>
+                                <div class="color-wrap">
+                                    <div class="region region-content">
+                                        <div class="block block-system block-system-main">
+                                            <div class="content">
+                                                <div class="view-content">
+                                                    <div class="row">
+                                                        <ul style="columns: 2;" class="list-unstyled mx-auto">
+                                                            <li>Number of pockets: {{ cavitiescount }}</li>
+                                                            <li>Number of orthosteric pockets: {{ orthocount }}</li>
+                                                            <li>Number of liganded orthosteric competitive pockets:
+                                                                {{ ortho_comp }}</li>
+                                                            <li>Number of liganded orthosteric non competitive pockets:
+                                                                {{ ortho_nocomp }}</li>
+                                                            <li>Number of allosteric pockets: {{ allostcount }}</li>
+                                                            <li>Number of proteins: {{ proteincount }}</li>
+                                                            <li>Number of organisms: {{ organismcount }}</li>
+                                                        </ul>
+                                                    </div>
+                                                </div>
+                                            </div>
+                                        </div>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                    </main><!-- .site-main -->
+                </div>
+            </div>
+        </div><!-- div main -->
+    </div>
+</div>
+{% endblock %}
\ No newline at end of file
diff --git a/ippisite/ippidb/templates/about.html b/ippisite/ippidb/templates/about.html
index 8780cf41f934c0f523f81374fe51ba17b42e06b7..236bdc9258b1618c9165a608d33509903678f6e6 100644
--- a/ippisite/ippidb/templates/about.html
+++ b/ippisite/ippidb/templates/about.html
@@ -4,33 +4,33 @@
 <script src="/static/chartjs/Chart.bundle.js"></script>
 <script src="/static/js/ippidb-charts.js" type="text/javascript"></script>
 {% endblock %}
-    
+
 {% block title %}inhibitors of Protein-Protein Interaction Database{% endblock %}
 
 {% block content %}
 <div id="mainnav">
-    <nav class="secondary-nav">
-            <ul>
-            	<li>
-                    <a href="/about-general">General</a>
-                </li>
-                <li>
-                    <a href="/about-pharmacology">Pharmacology</a>
-                </li>
-                <li>
-                    <a href="/about-le-lle">Efficiency plot</a>
-                </li>
-                <li>
-                    <a href="/about-physicochemistry">Physicochemistry</a>
-                </li>
-                <li>
-                    <a href="/about-pca">Chemical space</a>
-                </li>
-                <li>
-                    <a href="/about-contributors">Contributors</a>
-                </li>
-            </ul>
-    </nav>
+	<nav class="secondary-nav">
+		<ul>
+			<li>
+				<a href="/about-compound-general">General</a>
+			</li>
+			<li>
+				<a href="/about-pharmacology">Pharmacology</a>
+			</li>
+			<li>
+				<a href="/about-le-lle">Efficiency plot</a>
+			</li>
+			<li>
+				<a href="/about-physicochemistry">Physicochemistry</a>
+			</li>
+			<li>
+				<a href="/about-pca">Chemical space</a>
+			</li>
+			<li>
+				<a href="/about-contributors">Contributors</a>
+			</li>
+		</ul>
+	</nav>
 </div>
 
 <div class="inner-wrap">
@@ -50,8 +50,8 @@
 										<div class="block block-system block-system-main">
 											<div class="content">
 												<div class="view-content">
-{% block view_content %}
-{% endblock %}																											
+													{% block view_content %}
+													{% endblock %}
 												</div>
 											</div>
 										</div>
@@ -65,4 +65,4 @@
 		</div><!-- div main -->
 	</div>
 </div>
-{% endblock %}
+{% endblock %}
\ No newline at end of file
diff --git a/ippisite/ippidb/templates/base.html b/ippisite/ippidb/templates/base.html
index c149e70c33dca52857d42aec0bcb218c246b4b93..4286ee6dece7a9c23388c9e04c6d579c6d83ad20 100644
--- a/ippisite/ippidb/templates/base.html
+++ b/ippisite/ippidb/templates/base.html
@@ -20,7 +20,7 @@
     </script>
     {% endif %}
 
-    <link rel="icon" href="/static/images/favicon.png" type="image/x-icon"/>
+    <link rel="icon" href="/static/images/favicon.png" type="image/x-icon" />
     <link rel="stylesheet" href="/static/bootstrap/css/bootstrap.min.css">
     <link rel="stylesheet" href="/static/css/fonts.css">
     <link rel="stylesheet" href="/static/css/main.css">
@@ -51,7 +51,7 @@
     {% if gacode %}
     <div id="consent" class="fixed-bottom pl-5 pr-5 pt-2 pb-2 text-light bg-dark text-center">
         By using the site you are agreeing to the use of third party cookies for statistical purposes. You can read more
-        about our policy <a href="/about-general/#terms-privacy"><b>here</b></a>.
+        about our policy <a href="/about-compounds-general/#terms-privacy"><b>here</b></a>.
         <button id="consentBtn" class="btn btn-dark ml-2" type="button" aria-label="Accept">Accept
         </button>
     </div>
@@ -89,20 +89,23 @@
     </nav>
     <div id="mainnav">
         <nav class="main-nav">
-            <div style="display: inline-block;">
-                <ul>
+            <div>
+                <ul style="display: inline-block;">
                     <li>
                         <a href="{% url 'index' %}">Home</a>
                     </li>
                     <li>
-                        <a href="{% url 'general' %}">About</a>
+                        <a href="{% url 'compound_list' %}">Query compounds</a>
                     </li>
                     <li>
-                        <a href="{% url 'compound_list' %}">Query compounds</a>
+                        <a href="{% url 'general' %}">About compounds</a>
                     </li>
                     <li>
                         <a href="{% url 'cavities' %}">Protein Interaction Explorer</a>
                     </li>
+                    <li>
+                        <a href="{% url 'aboutpi' %}">About Protein Interaction</a>
+                    </li>
                     <li>
                         <a href="{% url 'tutorials' %}">Tutorials</a>
                     </li>
@@ -134,7 +137,7 @@
             {% endfor %}
         </div>
         {% endif %}
-            {% block content %}{% endblock %}
+        {% block content %}{% endblock %}
     </div> <!-- end main -->
     <footer class="main-footer">
         <div class="inner-wrap">
@@ -160,19 +163,22 @@
                     <nav>
                         <ul>
                             <li>
-                                <a href="/about-general">About</a>
+                                <a href="/compounds">Query compounds</a>
                             </li>
                             <li>
-                                <a href="/compounds">Query compounds</a>
+                                <a href="/about-compounds-general">About Compounds</a>
                             </li>
                             <li>
                                 <a href="/targetcentric">Protein Interaction Explorer</a>
                             </li>
+                            <li>
+                                <a href="/about-pi-general">About Protein Interaction</a>
+                            </li>
                             <li>
                                 <a href="/tutorials">Tutorials</a>
                             </li>
                             <li>
-                                <a href="{% url 'admin-session'%}">{% trans 'Admin_session_title' %}</a>
+                                <a href="{% url 'admin-session'%}">Contribute</a>
                             </li>
                         </ul>
                     </nav>
diff --git a/ippisite/ippidb/urls.py b/ippisite/ippidb/urls.py
index f689530c11375665b9bb28525ea7ceae36c31fb4..2321a1d7656580246a1116ceacc628d3dd427db3 100644
--- a/ippisite/ippidb/urls.py
+++ b/ippisite/ippidb/urls.py
@@ -63,7 +63,9 @@ urlpatterns = [
     re_path(r"^credits/$", views.credits, name="credits"),
     re_path(r"^citation/$", views.citation, name="citation"),
     re_path(r"^news/$", views.news, name="news"),
-    re_path(r"^about-general/$", views.about_general, name="general"),
+    re_path(r"^about-pi-general/$", views.about_pi_general, name="aboutpi"),
+    
+    re_path(r"^about-compounds-general/$", views.about_general, name="general"),
     re_path(r"^about-pharmacology/$", views.about_pharmacology, name="pharmacology"),
     re_path(r"^about-le-lle/$", views.about_le_lle, name="le_lle"),
     re_path(
diff --git a/ippisite/ippidb/views/__init__.py b/ippisite/ippidb/views/__init__.py
index 92733be7a4b329eb108900491abd51c0b6961e6e..1a8ee369256bc83ae507dfd39464798d2d5b0d97 100644
--- a/ippisite/ippidb/views/__init__.py
+++ b/ippisite/ippidb/views/__init__.py
@@ -31,6 +31,7 @@ from .targetcentric import (
     JobViewSet,
     pocketome_html,
     LinkedPDBViewSet,
+    about_pi_general,
 )
 from .contribute import ippidb_wizard_view, ContributionDetailView
 from .compound_query import (
@@ -127,6 +128,7 @@ __all__ = [
     about_pca,
     about_pharmacology,
     about_physicochemistry,
+    about_pi_general,
     ContributorListView,
     ContributorDetailView,
     PdbViewSet,
diff --git a/ippisite/ippidb/views/targetcentric.py b/ippisite/ippidb/views/targetcentric.py
index 419b06ff9e547bed369713664742e9e1600d2682..0daea906542eb381ece4920231893300db512871 100644
--- a/ippisite/ippidb/views/targetcentric.py
+++ b/ippisite/ippidb/views/targetcentric.py
@@ -580,3 +580,28 @@ class SummaryView(TemplateView):
     """
 
     template_name = "summary-table.html"
+
+
+def about_pi_general(request):
+    context = {}
+    cavitiescount = Cavity.objects.all().count()
+    proteincount = (
+            Chain.objects.all().values("protein__uniprot_id").distinct().count()
+        )
+    organismcount = (
+            Chain.objects.all().values("protein__organism__name").distinct().count()
+        )
+    orthocount = Cavity.objects.filter(type='orthosteric').count()
+    allostcount = Cavity.objects.filter(type='liganded_allosteric').count()
+    ortho_comp = Cavity.objects.filter(type='liganded_orthosteric_competitive').count()
+    ortho_nocomp = Cavity.objects.filter(type='liganded_orthosteric_noncompetitive').count()
+    
+    context["cavitiescount"] = cavitiescount
+    context["proteincount"] = proteincount
+    context["organismcount"] = organismcount
+    context["orthocount"] = orthocount
+    context["allostcount"] = allostcount
+    context["ortho_comp"] = ortho_comp
+    context["ortho_nocomp"] = ortho_nocomp
+    
+    return render(request, "about-pie.html", context=context)
\ No newline at end of file