Changes template formatting

app/templates/base.html

         {% block header %}{% endblock %}
     </header>
     {% for message in get_flashed_messages() %}
-        <div class="flash">{{ message }}</div>
+        <div class="flash">{{ message }}</div><br>
     {% endfor %}
     {% block content %}{% endblock %}
 </section>

app/templates/index.html

         {{ form.cEmail }}<br>
 
         {% for station in stations %}
-            <input type="radio" name="station" id={{ "station{}".format(station['s_id']) }} value={{ station['s_id'] }}> {{ "{} ({})".format(station['nombre_empleado'],station['oficina']) }} </input><br>
+            <input type="radio" name="station" id={{ "station{}".format(station['s_id']) }} value={{ station['s_id'] }} required> {{ "{} ({})".format(station['nombre_empleado'],station['oficina']) }} </input><br>
         {% endfor %}
 
         <input type="submit" value="Get ticket">