diff --git a/CHANGELOG.md b/CHANGELOG.md
index fde3f14..620cb31 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,17 @@
 Changelog
 =========
 
+dev-release/3.0.0 (YYYY-MM-DD)
+------------------------------
+
+[Full Changelog](https://github.com/netzmacht/contao-leaflet-maps/compare/3.0.0-alpha2...dev-release/3.0.0)
+
+
+3.0.0-alpha2 
+------------
+
+[Full Changelog](https://github.com/netzmacht/contao-leaflet-maps/compare/3.0.0-alpha2...2.0.0-alpha3)
+
 3.0.0-alpha1 (2017-10-19)
 ------------------------
 
diff --git a/src/Bundle/Resources/contao/config/config.php b/src/Bundle/Resources/contao/config/config.php
index 1d1fba1..094c43f 100644
--- a/src/Bundle/Resources/contao/config/config.php
+++ b/src/Bundle/Resources/contao/config/config.php
@@ -50,7 +50,7 @@ array_insert(
 );
 
 if (TL_MODE === 'BE') {
-    $GLOBALS['TL_CSS'][] = 'bundles/netzmachtcontaoleaflet/css/backend_hacks.css';
+    $GLOBALS['TL_CSS'][] = 'bundles/netzmachtcontaoleaflet/css/backend_global.css';
 }
 
 /*
diff --git a/src/Bundle/Resources/public/css/backend_global.css b/src/Bundle/Resources/public/css/backend_global.css
new file mode 100644
index 0000000..ffc55e7
--- /dev/null
+++ b/src/Bundle/Resources/public/css/backend_global.css
@@ -0,0 +1,8 @@
+
+#tl_navigation .tl_level_1_group .group-leaflet {
+    background: url(/bundles/netzmachtcontaoleaflet/img/leaflet.svg) 3px 2px no-repeat;
+}
+
+.tl_help_table a {
+    text-decoration: underline;
+}
diff --git a/src/Bundle/Resources/public/css/backend_hacks.css b/src/Bundle/Resources/public/css/backend_hacks.css
deleted file mode 100644
index c30f35c..0000000
--- a/src/Bundle/Resources/public/css/backend_hacks.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.tl_help_table a {
-    color: #77ac45
-}
diff --git a/src/Bundle/Resources/public/img/leaflet.svg b/src/Bundle/Resources/public/img/leaflet.svg
new file mode 100644
index 0000000..f499944
--- /dev/null
+++ b/src/Bundle/Resources/public/img/leaflet.svg
@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="13"
+   height="12"
+   viewBox="0 0 13 12"
+   class="feather feather-map"
+   version="1.1"
+   id="svg8"
+   sodipodi:docname="leaflet.svg"
+   style="fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round"
+   inkscape:version="0.92.2 5c3e80d, 2017-08-06">
+  <metadata
+     id="metadata14">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs12" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="1127"
+     id="namedview10"
+     showgrid="false"
+     inkscape:zoom="9.8333333"
+     inkscape:cx="12"
+     inkscape:cy="12"
+     inkscape:window-x="1680"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg8" />
+  <polygon
+     points="23,2 16,6 8,2 1,6 1,22 8,18 16,22 23,18 "
+     id="polygon2"
+     style="stroke:#91979c;stroke-opacity:1"
+     transform="matrix(0.54166667,0,0,0.54166667,0,-0.46604866)" />
+  <line
+     x1="4.3333335"
+     y1="0.61728501"
+     x2="4.3333335"
+     y2="9.2839518"
+     id="line4"
+     style="stroke:#91979c;stroke-width:1.08333337;stroke-opacity:1" />
+  <line
+     x1="8.6666689"
+     y1="2.7839513"
+     x2="8.6666689"
+     y2="11.450619"
+     id="line6"
+     style="fill:#91979c;fill-opacity:0;stroke:#91979c;stroke-width:1.08333337;stroke-opacity:1" />
+</svg>