diff --git a/ippisite/db.sqlite3 b/ippisite/db.sqlite3
index 1ce245fe013cd197dd0e348dd22b0f1c6e0faf9e..2c32f71f78d4cd378888a6fea6a6ccac1cc17a5b 100644
Binary files a/ippisite/db.sqlite3 and b/ippisite/db.sqlite3 differ
diff --git a/ippisite/ippidb/static/css/admin-session.css b/ippisite/ippidb/static/css/admin-session.css
index ebeaf9f1d77e80178568fd9a42dd5ad11d60962b..09e724b8dea74ca4d829b8b6bf203fce50213122 100644
--- a/ippisite/ippidb/static/css/admin-session.css
+++ b/ippisite/ippidb/static/css/admin-session.css
@@ -7,6 +7,16 @@ Description: IPPI-DB Theme
 
 /* ADMIN SESSION */
 
+/* Validation input */
+input:not([readonly]).form-control:valid,
+select:not([readonly]).form-control:valid {
+    border-color: #35dc45;
+} 
+input:not([readonly]).form-control:not(:valid),
+select:not([readonly]).form-control:not(:valid){
+    border-color: #dc3545;
+}
+
 /* Step menu */
 
 .step_nav {
@@ -579,6 +589,7 @@ Description: IPPI-DB Theme
   background-repeat: no-repeat;
   height: 100%;
   font-size: 12px;
+  box-shadow: inset 0 0 0 1000px rgba(0,0,0,.1);
 }
 
 .imageBack_Inhib_Hetero2-merAB input:hover+label span {
@@ -592,6 +603,8 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
+
 }
 
 .imageBack_Inhib_Hetero2-merAB input[type="radio"]:checked+label span {
@@ -604,6 +617,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Inhib_Homo2-merA2 {
@@ -629,6 +643,7 @@ Description: IPPI-DB Theme
   background-repeat: no-repeat;
   height: 100%;
   font-size: 12px;
+  box-shadow: inset 0 0 0 1000px rgba(0,0,0,.1);
 }
 
 .imageBack_Inhib_Homo2-merA2 input:hover+label span {
@@ -642,6 +657,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Inhib_Homo2-merA2 input[type="radio"]:checked+label span {
@@ -654,6 +670,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Inhib_Custom {
@@ -679,6 +696,7 @@ Description: IPPI-DB Theme
   background-repeat: no-repeat;
   height: 100%;
   font-size: 12px;
+  box-shadow: inset 0 0 0 1000px rgba(0,0,0,.1);
 }
 
 .imageBack_Inhib_Custom input:hover+label span {
@@ -692,6 +710,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Inhib_Custom input[type="radio"]:checked+label span {
@@ -704,6 +723,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 /* Stabilized */
@@ -738,6 +758,7 @@ Description: IPPI-DB Theme
   background-repeat: no-repeat;
   height: 100%;
   font-size: 12px;
+  box-shadow: inset 0 0 0 1000px rgba(0,0,0,.1);
 }
 
 .imageBack_Stab_Hetero2-merAB input:hover+label span {
@@ -751,6 +772,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Hetero2-merAB input[type="radio"]:checked+label span {
@@ -763,6 +785,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Homo2-merA2 {
@@ -788,6 +811,7 @@ Description: IPPI-DB Theme
   background-repeat: no-repeat;
   height: 100%;
   font-size: 12px;
+  box-shadow: inset 0 0 0 1000px rgba(0,0,0,.1);
 }
 
 .imageBack_Stab_Homo2-merA2 input:hover+label span {
@@ -801,6 +825,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Homo2-merA2 input[type="radio"]:checked+label span {
@@ -813,6 +838,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Homo-Like2-merA2 {
@@ -838,6 +864,7 @@ Description: IPPI-DB Theme
   background-repeat: no-repeat;
   height: 100%;
   font-size: 12px;
+  box-shadow: inset 0 0 0 1000px rgba(0,0,0,.1);
 }
 
 .imageBack_Stab_Homo-Like2-merA2 input:hover+label span {
@@ -851,6 +878,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Homo-Like2-merA2 input[type="radio"]:checked+label span {
@@ -863,6 +891,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Homo3-merA3 {
@@ -888,6 +917,7 @@ Description: IPPI-DB Theme
   background-repeat: no-repeat;
   height: 100%;
   font-size: 12px;
+  box-shadow: inset 0 0 0 1000px rgba(0,0,0,.1);
 }
 
 .imageBack_Stab_Homo3-merA3 input:hover+label span {
@@ -901,6 +931,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Homo3-merA3 input[type="radio"]:checked+label span {
@@ -913,6 +944,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Homo3-merA3inhibitedA2-dimer {
@@ -938,6 +970,7 @@ Description: IPPI-DB Theme
   background-repeat: no-repeat;
   height: 100%;
   font-size: 12px;
+  box-shadow: inset 0 0 0 1000px rgba(0,0,0,.1);
 }
 
 .imageBack_Stab_Homo3-merA3inhibitedA2-dimer input:hover+label span {
@@ -951,6 +984,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Homo3-merA3inhibitedA2-dimer input[type="radio"]:checked+label span {
@@ -963,6 +997,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Homo4-merA4 {
@@ -988,6 +1023,7 @@ Description: IPPI-DB Theme
   background-repeat: no-repeat;
   height: 100%;
   font-size: 12px;
+  box-shadow: inset 0 0 0 1000px rgba(0,0,0,.1);
 }
 
 .imageBack_Stab_Homo4-merA4 input:hover+label span {
@@ -1001,6 +1037,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Homo4-merA4 input[type="radio"]:checked+label span {
@@ -1013,6 +1050,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Ring-Like3-merA3 {
@@ -1038,6 +1076,7 @@ Description: IPPI-DB Theme
   background-repeat: no-repeat;
   height: 100%;
   font-size: 12px;
+  box-shadow: inset 0 0 0 1000px rgba(0,0,0,.1);
 }
 
 .imageBack_Stab_Ring-Like3-merA3 input:hover+label span {
@@ -1051,6 +1090,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Ring-Like3-merA3 input[type="radio"]:checked+label span {
@@ -1063,6 +1103,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Ring-Like5-merA5 {
@@ -1088,6 +1129,7 @@ Description: IPPI-DB Theme
   background-repeat: no-repeat;
   height: 100%;
   font-size: 12px;
+  box-shadow: inset 0 0 0 1000px rgba(0,0,0,.1);
 }
 
 .imageBack_Stab_Ring-Like5-merA5 input:hover+label span {
@@ -1101,6 +1143,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Ring-Like5-merA5 input[type="radio"]:checked+label span {
@@ -1113,6 +1156,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Custom {
@@ -1139,6 +1183,7 @@ Description: IPPI-DB Theme
   background-repeat: no-repeat;
   height: 100%;
   font-size: 12px;
+  box-shadow: inset 0 0 0 1000px rgba(0,0,0,.1);
 }
 
 .imageBack_Stab_Custom input:hover+label span {
@@ -1152,6 +1197,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 .imageBack_Stab_Custom input[type="radio"]:checked+label span {
@@ -1164,6 +1210,7 @@ Description: IPPI-DB Theme
   border-top: 1px solid #E3E9EB;
   border-left: 1px solid #E3E9EB;
   border-right: 1px solid #E3E9EB;
+  box-shadow: none;
 }
 
 /* Tests form */
diff --git a/ippisite/ippidb/static/css/main.css b/ippisite/ippidb/static/css/main.css
index 389276c05985ff1590982d56f734195ab660a697..6026dbfa4a47066c32768c29c02813c65ba9127d 100644
--- a/ippisite/ippidb/static/css/main.css
+++ b/ippisite/ippidb/static/css/main.css
@@ -357,6 +357,16 @@ text-align: center;
     text-decoration: underline;
 }
 
+/* -- Unclickable option -- */
+.unclickable_option a {
+    color:#8D8889;
+}
+
+.unclickable_option a:hover {
+    color:#8D8889;
+    text-decoration: underline;
+}
+
 /* -- Page Header -- */
 
 .adv-page__header{
diff --git a/ippisite/ippidb/templates/add.html b/ippisite/ippidb/templates/add.html
index acc9e37fb1fc0b760b80183250b20cd669a0e140..0fdab0f4e682f298151c1b232bc286d337ebfcfa 100644
--- a/ippisite/ippidb/templates/add.html
+++ b/ippisite/ippidb/templates/add.html
@@ -38,17 +38,7 @@ $(document).ready(function(){
 						<div class="main__inner">
 							<div class="region region-content">
 								{% if wizard.steps.current == "IdForm" %}
-								<div class="page-intro">
-								By selecting ADD NEW CONTENT you are about to add all or any of the following information to iPPI-DB:</br>
-								New publications, New pharmacological data, New PPI modulators, New PPI targets, New cytotoxic or pharmacokinetic data.</br>
-								Please prepare yourself to fill some information within this web application.</br>
-								To achieve this process, you need : </br>
-									<ul>
-										<li> Your bibliographic source (PubMed article or Patents), </li>
-										<li> Its ID number (e.g PubMed ID), </li>
-										<li> And a reference PDB code that contains the structure of the macromolecular complex of the PPI target for which you have data. </li>
-									</ul>
-								</div>
+								
 								{% endif %}
 								<div class="color-wrap">
 									<div class="region region-content">
diff --git a/ippisite/ippidb/templates/admin-session.html b/ippisite/ippidb/templates/admin-session.html
index 04dbc6324f0fa0343c555ae1205e056c8fa155cb..b92970dbeb58ddc7ab3bbfc81965234d71bbd9cc 100644
--- a/ippisite/ippidb/templates/admin-session.html
+++ b/ippisite/ippidb/templates/admin-session.html
@@ -17,7 +17,7 @@
                     <a href="{% url 'admin-session-add'%}">Add New Content</a>
                 </li>
                 <li>
-                    <a href="{% url 'admin-session-update'%}">Update Content</a>
+                    <a href="" class="unclickable_option">Update Content</a>
                 </li>
             </ul>
         </div>
@@ -46,7 +46,19 @@
                                         <div class="block block-system block-system-main">
                                             <div class="content">
                                                 <div class="view-content">
-                                                                                                            
+                                                        <div class="page-intro">
+                                                                By selecting ADD NEW CONTENT you are about to add all or any of the following information to iPPI-DB:</br>
+                                                                New publications, New pharmacological data, New PPI modulators, New PPI targets, New cytotoxic or pharmacokinetic data.</br>
+                                                                Please prepare yourself to fill some information within this web application.</br>
+                                                                To achieve this process, you need : </br>
+                                                                    <ul>
+                                                                        <li> Your bibliographic source (PubMed article or Patents), </li>
+                                                                        <li> Its ID number (e.g PubMed ID), </li>
+                                                                        <li> And a reference PDB code that contains the structure of the macromolecular complex of the PPI target for which you have data. </li>
+                                                                    </ul>
+                                                                The UPDATE CONTENT option is not implemented yet, but should be soon! 
+                                                                </div>
+                                                                                            
                                                 </div>
                                             </div>
                                         </div>
diff --git a/ippisite/ippidb/templates/contribute.html b/ippisite/ippidb/templates/contribute.html
deleted file mode 100644
index 72fa7d8a63eff6363a93cf2d973ba4746a993dc1..0000000000000000000000000000000000000000
--- a/ippisite/ippidb/templates/contribute.html
+++ /dev/null
@@ -1,70 +0,0 @@
-{% extends "index.html" %}
-{% load sstatic %}
-    
-{% block title %}inhibitors of Protein-Protein Interaction Database{% endblock %}
-{% block extra_css %}
-    <link rel="stylesheet" href="{% sstatic '/css/admin-session.css' %}">
-{% endblock %}
-
-{% block content %}
-<div id="mainnav">
-    <nav class="secondary-nav">
-        <div class="inner-wrap">
-            <ul>
-                <li>
-                    <a href="{% url 'admin-session-add'%}">Add New Content</a>
-                </li>
-                <li>
-                    <a href="{% url 'admin-session-update'%}">Update Content</a>
-                </li>
-            </ul>
-        </div>
-    </nav>
-</div>
-<div class="inner-wrap">
-    <nav class="breadcrumb breadNav" role="navigation">
-        <div class="breadNav-label">You are here</div>
-        <div aria-labelledby="breadNav-label">
-            {% block breadcrumb %}{{block.super}}Admin{% endblock %} 
-        </div>
-    </nav>
-    <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"> CONTRIBUTE </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="paragraph">
-                                                                <h2>What are the iPPI-DB standards ?</h2>
-                                                                Here is some guidance to submit binding data that comply with iPPI-DB standards : <br/>
-                                                                <ul>
-                                                                    <li>The PPI target must have a known functional mechanism</li>
-                                                                    <li>No peptide will be considered</li>
-                                                                    <li>Only dose response-based measures of activity are considered (e.g IC<sub>50</sub>, EC<sub>50</sub>, K<sub>d</sub>, K<sub>i</sub>)</li>
-                                                                    <li>Only activities below 30 μM will qualify the corresponding compounds</li>
-                                                                </ul>
-                                                            </div>                                                        
-                                                </div>
-                                            </div>
-                                        </div>
-                                    </div>
-                                </div>
-                            </div>
-                        </div>
-                    </main><!-- .site-main -->
-                </div>
-            </div>
-        </div><!-- div main -->
-    </div>
-</div>
-{% endblock %}