diff --git a/c3l_membership/templates/index.html b/c3l_membership/templates/index.html
--- a/c3l_membership/templates/index.html
+++ b/c3l_membership/templates/index.html
@@ -57,19 +57,19 @@
             <div class="pure-g">
               <div class="pure-u-1-1">
                 <b>{{ form.username.label }}</b>
-                {{ form.username(required=True, class="pure-u-1-1 field-error" if form.username.errors else "pure-u-1-1") }}
+                {{ form.username(required=True, class="pure-input-1 field-error" if form.username.errors else "pure-input-1") }}
               </div>
             </div>
             <div class="pure-g">
               <div class="pure-u-1-1">
                 <b>{{ form.email.label }}</b>
-                {{ form.email(required=True, class="pure-u-1-1 field-error" if form.email.errors else "pure-u-1-1") }}
+                {{ form.email(required=True, class="pure-input-1 field-error" if form.email.errors else "pure-input-1") }}
               </div>
             </div>
             <div class="pure-g">
               <div class="pure-u-1-1">
                 <b>{{ form.fullname.label }}</b>
-                {{ form.fullname(required=True, class="pure-u-1-1 field-error" if form.fullname.errors else "pure-u-1-1") }}
+                {{ form.fullname(required=True, class="pure-input-1 field-error" if form.fullname.errors else "pure-input-1") }}
               </div>
             </div>
             <div class="pure-g">
@@ -126,37 +126,37 @@
                 <div class="pure-g">
                   <div class="pure-u-1-1">
                     <b>{{ form.birthday.label }}</b>
-                    {{ form.birthday(class="pure-u-1-1 field-error" if form.birthday.errors else "pure-u-1-1") }}
+                    {{ form.birthday(class="pure-input-1 field-error" if form.birthday.errors else "pure-input-1") }}
                   </div>
                 </div>
                 <div class="pure-g">
                   <div class="pure-u-1-1">
                     <b>{{ form.street.label }}</b>
-                    {{ form.street(class="pure-u-1-1 field-error" if form.street.errors else "pure-u-1-1") }}
+                    {{ form.street(class="pure-input-1 field-error" if form.street.errors else "pure-input-1") }}
                   </div>
                 </div>
                 <div class="pure-g">
                   <div class="pure-u-1-1">
                     <b>{{ form.zip.label }}</b>
-                    {{ form.zip(class="pure-u-1-1 field-error" if form.zip.errors else "pure-u-1-1") }}
+                    {{ form.zip(class="pure-input-1 field-error" if form.zip.errors else "pure-input-1") }}
                   </div>
                 </div>
                 <div class="pure-g">
                   <div class="pure-u-1-1">
                     <b>{{ form.city.label }}</b>
-                    {{ form.city(class="pure-u-1-1 field-error" if form.city.errors else "pure-u-1-1") }}
+                    {{ form.city(class="pure-input-1 field-error" if form.city.errors else "pure-input-1") }}
                   </div>
                 </div>
                 <div class="pure-g">
                   <div class="pure-u-1-1">
                     <b>{{ form.state.label }}</b>
-                    {{ form.state(class="pure-u-1-1 field-error" if form.state.errors else "pure-u-1-1") }}
+                    {{ form.state(class="pure-input-1 field-error" if form.state.errors else "pure-input-1") }}
                   </div>
                 </div>
                 <div class="pure-g">
                   <div class="pure-u-1-1">
                     <b>{{ form.country.label }}</b>
-                    {{ form.country(class="pure-u-1-1 field-error" if form.country.errors else "pure-u-1-1") }}
+                    {{ form.country(class="pure-input-1 field-error" if form.country.errors else "pure-input-1") }}
                   </div>
                 </div>
                 <legend></legend>