diff --git a/ippisite/ippidb/forms.py b/ippisite/ippidb/forms.py
index 2d8b7442e3626766c08d52f16766d6f3273a7eff..d82cedd02ec3008b1c12d85c9556790cd51cff81 100644
--- a/ippisite/ippidb/forms.py
+++ b/ippisite/ippidb/forms.py
@@ -17,14 +17,14 @@ class BibliographyForm(ModelForm):
         model = Bibliography
         exclude = ['authors_list', 'biblio_year']
         widgets = {
-        	'source': forms.Select(attrs={'disabled':'disabled', 'class':'readonly'}),
+        	'source': forms.TextInput(attrs={'readonly':'readonly','class':'readonly'}),
             'id_source': forms.TextInput(attrs={'readonly':'readonly', 'class':'readonly'}),
             'title': forms.TextInput(attrs={'readonly':'readonly', 'class':'readonly'}),
             'journal_name': forms.TextInput(attrs={'readonly':'readonly', 'class':'readonly'}),
         }
 
 class PDBForm(forms.Form):
-	pdb_id = forms.CharField(label="PDB ID",max_length=100, widget=forms.TextInput(attrs={'placeholder': 'e.g 4HHB'}))
+	pdb_id = forms.CharField(label="PDB ID",max_length=4, widget=forms.TextInput(attrs={'placeholder': 'e.g 4HHB'}))
 
 class ProteinForm(ModelForm):
 	class Meta:
diff --git a/ippisite/ippidb/static/css/ippidb.css b/ippisite/ippidb/static/css/ippidb.css
index 82e5995661e2ac715314b8036942641c283055d6..7b421bec588d4883493a669c43f8dacd21406ca0 100644
--- a/ippisite/ippidb/static/css/ippidb.css
+++ b/ippisite/ippidb/static/css/ippidb.css
@@ -619,27 +619,6 @@ form {
 
 div label input {
    margin-right:100px;
-   display:none;
-}
-
-#id_IdForm-source{
-    list-style: none;
-}
-
-ul#id_IdForm-source li{
-    display:inline;
-}
-
-ul#id_IdForm-source li label{
-    text-align: center;
-    padding: 5px;
-    background-color: rgb(255, 255, 255);
-    color: rgb(45, 150, 250);
-    border: 1px solid rgb(45, 150, 250);
-    font-family: "Roboto";
-    font-weight: bold;
-    width: 33%;
-    margin: 5px;
 }
 
 body {
@@ -672,6 +651,7 @@ body {
 #ck-button label input {
     position:absolute;
     top:-20px;
+    display:none;
 }
 
 #ck-button input:hover + span {
diff --git a/ippisite/ippidb/templates/IdForm.html b/ippisite/ippidb/templates/IdForm.html
index c5d4397413da0c5900b8c8de471a208fb6707b7e..4d47f3b0b3f529fbb9e3355e9b3e0aa770c27ffd 100644
--- a/ippisite/ippidb/templates/IdForm.html
+++ b/ippisite/ippidb/templates/IdForm.html
@@ -32,7 +32,7 @@
 	    {{ form }}
 	{% endfor %}
 {% else %}
-   {{ wizard.form}} 
+	{{ wizard.form }}
 {% endif %}
 </table>
 	<input type="submit" value="{% trans "Next step" %}"/>