diff --git a/app/templates/wtf.html.j2 b/app/templates/wtf.html.j2
index 730fd337..a85042aa 100644
--- a/app/templates/wtf.html.j2
+++ b/app/templates/wtf.html.j2
@@ -1,47 +1,42 @@
 {% macro render_field(field) %}
   {% if field.type == 'BooleanField' %}
     {{ render_boolean_field(field, *args, **kwargs) }}
-  {% elif field.type == 'DecimalRangeField' %}
-    {{ render_decimal_range_field(field, *args, **kwargs) }}
+  {% elif field.type == 'FileField' %}
+    {{ render_file_field(field, *args, **kwargs) }}
+  {% elif field.type == 'IntegerField' %}
+    {{ render_integer_field(field, *args, **kwargs) }}
+  {% elif field.type == 'MultipleFileField' %}
+    {{ render_multiple_file_field(field, *args, **kwargs) }}
   {% elif field.type == 'SubmitField' %}
     {{ render_submit_field(field, *args, **kwargs) }}
-  {% elif field.type in ['FileField', 'MultipleFileField'] %}
-    {{ render_file_field(field, *args, **kwargs) }}
+  {% elif field.type == 'TextAreaField' %}
+    {{ render_text_area_field(field, *args, **kwargs) }}
   {% else %}
-    {% if 'class_' in kwargs and 'validate' not in kwargs['class_'] %}
-      {% set tmp = kwargs.update({'class_': kwargs['class_'] + ' validate'}) %}
-    {% else %}
-      {% set tmp = kwargs.update({'class_': 'validate'}) %}
-    {% endif %}
     {{ render_generic_field(field, *args, **kwargs) }}
   {% endif %}
 {% endmacro %}
 
+
 {% macro render_boolean_field(field) %}
-  {% set label = kwargs.pop('label', True) %}
-  <div class="switch">
-    {% if 'material_icon' in kwargs %}
-      <i class="material-icons prefix">{{ kwargs.pop('material_icon') }}</i>
-    {% endif %}
+  <div>
     <label>
-      {{ field(*args, **kwargs) }}
-      <span class="lever"></span>
-      {% if label %}
-      {{ field.label.text }}
-      {% endif %}
+      <input id="{{ field.id }}" name="{{ field.name }}" type="checkbox">
+      <span>{{ field.label.text }}</span>
+      {% for error in field.errors %}
+        <span class="helper-text error-color-text">{{ error }}</span>
+      {% endfor %}
     </label>
-    {% for error in field.errors %}
-      <span class="helper-text error-color-text">{{ error }}</span>
-    {% endfor %}
   </div>
 {% endmacro %}
 
+
 {% macro render_file_field(field) %}
   {% set placeholder = kwargs.pop('placeholder', '') %}
+
   <div class="file-field input-field">
     <div class="btn">
       <span>{{ field.label.text }}</span>
-      {{ field(*args, **kwargs) }}
+      <input id="{{ field.id }}" name="{{ field.name }}" type="file">
     </div>
     <div class="file-path-wrapper">
       <input class="file-path validate" type="text" placeholder="{{ placeholder }}">
@@ -52,50 +47,78 @@
   </div>
 {% endmacro %}
 
-{% macro render_generic_field(field) %}
-  {% if field.type == 'TextAreaField' and 'materialize-textarea' not in kwargs['class_'] %}
-    {% set tmp = kwargs.update({'class_': kwargs['class_'] + ' materialize-textarea'}) %}
-  {% elif field.type == 'IntegerField' %}
-    {% set tmp = kwargs.update({'type': 'number'}) %}
-  {% endif %}
-  {% set label = kwargs.pop('label', True) %}
-  <div class="input-field">
-    {% if 'material_icon' in kwargs %}
-      <i class="material-icons prefix">{{ kwargs.pop('material_icon') }}</i>
-    {% endif %}
-    {{ field(*args, **kwargs) }}
-    {% if label %}
-    {{ field.label }}
-    {% endif %}
+
+{% macro render_multiple_file_field(field) %}
+  {% set placeholder = kwargs.pop('placeholder', '') %}
+
+  <div class="file-field input-field">
+    <div class="btn">
+      <span>{{ field.label.text }}</span>
+      <input id="{{ field.id }}" name="{{ field.name }}" type="file" multiple>
+    </div>
+    <div class="file-path-wrapper">
+      <input class="file-path validate" type="text" placeholder="{{ placeholder }}">
+    </div>
     {% for error in field.errors %}
       <span class="helper-text error-color-text">{{ error }}</span>
     {% endfor %}
   </div>
 {% endmacro %}
 
+
+{% macro render_integer_field(field) %}
+  <div class="input-field">
+    {% if 'material_icon' in kwargs %}
+      <i class="material-icons prefix">{{ kwargs.pop('material_icon') }}</i>
+    {% endif %}
+    <input class="validate" id="{{ field.id }}" name="{{ field.name }}" type="number">
+    <label for="{{ field.id }}">{{ field.label.text }}</label>
+    {% for error in field.errors %}
+      <span class="helper-text error-color-text">{{ error }}</span>
+    {% endfor %}
+  </div>
+{% endmacro %}
+
+
 {% macro render_submit_field(field) %}
-  {% if 'class_' in kwargs and 'btn' not in kwargs['class_'] %}
-    {% set tmp = kwargs.update({'class_': kwargs['class_'] + ' btn'}) %}
-  {% else %}
-    {% set tmp = kwargs.update({'class_': 'btn'}) %}
-  {% endif %}
-  {% if 'waves-effect' not in kwargs['class_'] %}
-    {% set tmp = kwargs.update({'class_': kwargs['class_'] + ' waves-effect'}) %}
-  {% endif %}
-  {% if 'waves-light' not in kwargs['class_'] %}
-    {% set tmp = kwargs.update({'class_': kwargs['class_'] + ' waves-light'}) %}
-  {% endif %}
-  <button class="{{ kwargs['class_'] }}"
-          id="{{ field.id }}"
-          name="{{ field.name }}"
-          type="submit"
-          value="{{ field.label.text }}"
-          {% if 'style' in kwargs %}
-            style="{{ kwargs.pop('style') }}"
-          {% endif %}>
+  <button class="btn waves-effect waves-light" id="{{ field.id }}" name="{{ field.name }}" type="submit">
     {{ field.label.text }}
     {% if 'material_icon' in kwargs %}
       <i class="material-icons right">{{ kwargs.pop('material_icon') }}</i>
     {% endif %}
   </button>
 {% endmacro %}
+
+
+{% macro render_text_area_field(field) %}
+  <div class="input-field">
+    {% if 'material_icon' in kwargs %}
+      <i class="material-icons prefix">{{ kwargs.pop('material_icon') }}</i>
+    {% endif %}
+    <textarea class="materialize-textarea validate" id="{{ field.id }}" name="{{ field.name }}"></textarea>
+    <label for="{{ field.id }}">{{ field.label.text }}</label>
+    {% for error in field.errors %}
+      <span class="helper-text error-color-text">{{ error }}</span>
+    {% endfor %}
+  </div>
+{% endmacro %}
+
+
+{% macro render_generic_field(field) %}
+  {% set classes_ = kwargs.pop('class_', '').split(' ') %}
+  {% if 'validate' not in classes_ %}
+    {% set _ = classes_.append('validate') %}
+  {% endif %}
+  {% set _ = kwargs.update({'class_': ' '.join(classes_)}) %}
+
+  <div class="input-field">
+    {% if 'material_icon' in kwargs %}
+      <i class="material-icons prefix">{{ kwargs.pop('material_icon') }}</i>
+    {% endif %}
+    {{ field(*args, **kwargs) }}
+    {{ field.label }}
+    {% for error in field.errors %}
+      <span class="helper-text error-color-text">{{ error }}</span>
+    {% endfor %}
+  </div>
+{% endmacro %}