[fix] menu without js - closes #747

searx/static/themes/oscar/less/logicodev/navbar.less

     line-height: 30px;
 }
 
-.navbar, .navbar-default{
+.navbar, .navbar-default, .menu {
     background-color: @black;
     border: none;
     border-top: 4px solid @light-green;
 .navbar-toggle {
     margin-top: 0;
 }
+
+.menu {
+    margin: 0;
+    padding: 0;
+    position: absolute;
+    top: 4px;
+    border: 0;
+    z-index: 1000000000;
+    height: 40px;
+    line-height: 40px;
+    ul {
+        padding: 0;
+        margin: 0;
+        li {
+            padding: 0 0.6em;
+            margin: 0;
+            float: left;
+            list-style: none;
+            a {
+                color: @dim-gray;
+            }
+        }
+        li.active a {
+            color: @light-green;
+        }
+    }
+}
+
+.menu-right {
+    right: 2em;
+}
+
+.menu-left {
+    left: 2em;
+}

searx/templates/oscar/about.html

 {% extends "oscar/base.html" %}
-{% block site_alert_warning_nojs %} {% endblock %}
 {% block title %}{{ _('about') }} - {% endblock %}
 {% block content %}
 <div{% if rtl %} dir="ltr"{% endif %}>

searx/templates/oscar/base.html

     {% endblock %}
     {% block site_alert_warning %}
     {% endblock %}
-    {% block site_alert_warning_nojs %}
-    <noscript>
-        <div class="visible-xs-block">
-        {% include 'oscar/messages/js_disabled.html' %}
-        </div>
-    </noscript>
-    {% endblock %}
     {% block site_alert_info %}
     {% endblock %}
     {% block site_alert_success %}

searx/templates/oscar/categories.html

     {% for category in categories | reverse %}
         <input class="hidden" type="checkbox" id="checkbox_{{ category|replace(' ', '_') }}" name="category_{{ category }}" {% if category in selected_categories %}checked="checked"{% endif %} />
         <label for="checkbox_{{ category|replace(' ', '_') }}">{{ _(category) }}</label>
-        </label>
     {% endfor %}
 {% else %}
     {% for category in categories %}

searx/templates/oscar/messages/js_disabled.html

-<div class="alert alert-warning" role="alert">
-    <strong class="lead">{{ _('Warning!') }}</strong>
-    {{ _('Please enable JavaScript to use full functionality of this site.') }}
-</div>

searx/templates/oscar/navbar.html

 <!-- Static navbar -->
 <div class="navbar navbar-default" role="navigation">
     <div class="container-fluid">
-        {% if rtl %}
-        <div class="navbar-collapse collapse navbar-left">
-            <ul class="nav navbar-nav navbar-left"> <!-- results.html -->
-                <li{% if template_name == 'preferences.html' %} class="active"{% endif %}><a href="{{ url_for('preferences') }}" class="hmarg">{{ _('preferences') }}</a></li>
-                <li{% if template_name == 'about.html' %} class="active"{% endif %}><a href="{{ url_for('about') }}" class="hmarg">{{ _('about') }}</a></li>
-                <li{% if template_name == 'index.html' %} class="active"{% endif %}><a href="{{ url_for('index') }}" class="hmarg">{{ _('home') }}</a></li>
-            </ul>
-        </div>
-        <div class="navbar-header navbar-right">
-            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target=".navbar-collapse">
-                <span class="sr-only">{{ _('Toggle navigation') }}</span>
-                <span class="icon-bar"></span>
-                <span class="icon-bar"></span>
-                <span class="icon-bar"></span>
-            </button>
-            <a class="navbar-brand" href="{{ url_for('index') }}">{{ instance_name }}</a>
-        </div>
-        {% else %}
-        <div class="navbar-header">
-            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target=".navbar-collapse">
-                <span class="sr-only">{{ _('Toggle navigation') }}</span>
-                <span class="icon-bar"></span>
-                <span class="icon-bar"></span>
-                <span class="icon-bar"></span>
-            </button>
+        <div class="navbar-header{% if rtl %} navbar-right{% endif %}">
             <a class="navbar-brand" href="{{ url_for('index') }}">{{ instance_name }}</a>
         </div>
-        <div class="navbar-collapse collapse">
-            <ul class="nav navbar-nav navbar-right"> <!-- results.html -->
-                <li{% if template_name == 'index.html' %} class="active"{% endif %}><a href="{{ url_for('index') }}" class="hmarg">{{ _('home') }}</a></li>
-                <li{% if template_name == 'about.html' %} class="active"{% endif %}><a href="{{ url_for('about') }}" class="hmarg">{{ _('about') }}</a></li>
-                <li{% if template_name == 'preferences.html' %} class="active"{% endif %}><a href="{{ url_for('preferences') }}" class="hmarg">{{ _('preferences') }}</a></li>
-            </ul>
-        </div><!--/.nav-collapse -->
-        {% endif %}
     </div><!--/.container-fluid -->
 </div>
+<div class="menu menu-{% if rtl %}left{% else %}right{% endif %}">
+    <ul> <!-- results.html -->
+        <li{% if template_name == 'about.html' %} class="active"{% endif %}><a href="{{ url_for('about') }}" class="hmarg">{{ _('about') }}</a></li>
+        <li{% if template_name == 'preferences.html' %} class="active"{% endif %}><a href="{{ url_for('preferences') }}" class="hmarg">{{ _('preferences') }}</a></li>
+    </ul>
+</div><!--/.nav-collapse -->

searx/templates/oscar/preferences.html

 {% from 'oscar/macros.html' import preferences_item_header, preferences_item_header_rtl, preferences_item_footer, preferences_item_footer_rtl, checkbox_toggle %}
 {% extends "oscar/base.html" %}
 {% block title %}{{ _('preferences') }} - {% endblock %}
-{% block site_alert_warning_nojs %}
-<noscript>
-    {% include 'oscar/messages/js_disabled.html' %}
-</noscript>
-{% endblock %}
 {% block content %}
 <div>