there is link to minerva platform from map

frontend-js/src/main/css/global.css

@@ -239,7 +239,6 @@
     height: 80px;
     left: 0;
     width: 100%;
-    z-index: -1;
 }
 
 .minerva-footer-text {
@@ -248,6 +247,30 @@
     color: #999999
 }
 
+.minerva-logo-footer {
+    background-color: #333333;
+    color: white;
+    position: absolute;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    padding: 5px;
+    text-align: center;
+    text-shadow: 1px 1px 0 #444;
+    font-size: 13px;
+    font-weight: 900;
+}
+
+.minerva-logo-footer img {
+    margin-right: 6px;
+    width: 25px;
+}
+
+.minerva-logo-footer a {
+    color: white;
+    text-decoration: none;
+}
+
 .minerva-logo {
     height: auto;
     width: auto;

frontend-js/src/main/js/gui/leftPanel/LeftPanel.js

@@ -84,6 +84,15 @@ LeftPanel.prototype._createPanelGui = function () {
   for (var i = 0; i < panels.length; i++) {
     self.getGuiUtils().addTab(self, panels[i]);
   }
+
+  self.getElement().appendChild(Functions.createElement({
+    type: "div",
+    className: "minerva-logo-footer",
+    content: "<a href='https://minerva.pages.uni.lu/doc/' target='_blank'>" +
+      "<img src='resources/images/minerva-logo.png'/> Powered by MINERVA Platform" +
+      "</a>",
+    xss: false
+  }));
 };
 
 /**