added imprint, improved css for it

src/templates/template.html

@@ -11,7 +11,7 @@
     <div class="main-menu-dropdown">
         <a href="{{ url_for('index') }}">
           <img class="logo" src="{{ url_for('static', filename='graphics/logo.png') }}">
-          <span>{{ title }}</span>
+          {{ title }}
         </a>
         <input type="checkbox" id="main-menu-check">
         <label for="main-menu-check" class="show-menu">&#9776;</label>
@@ -28,6 +28,9 @@
     <!-- Content -->
     <footer>
         <div class="center">
+            <a href="{{ url_for('imprint') }}">
+              {% if language=="de-de" %}Impressum und Kontakt{% else %}Imprint and Contact{% endif %}
+            </a><br>
             Made with <a href="https://github.com/tiyn/beaker-blog">Beaker Blog</a>.
         </div>
     </footer>