Added some TODO's and first styling ideas for category marker

display/display.css

@@ -279,9 +279,9 @@
     background-color: #eee;
     color: #444;
     cursor: pointer;
-    padding: 18px;
+    padding: 9px;
     width: 100%;
-    border: none;
+    border: 1px solid grey;
     text-align: left;
     outline: none;
     font-size: 15px;
@@ -305,6 +305,20 @@
     padding: 0 18px;
     display: none;
     overflow: hidden;
-    background-color: #f1f1f1;
+    background-color: #000000;
     flex-direction: row;
+}
+
+.category-div {
+    padding: 0;
+    background-color: #000000;
+    color: #444;
+    cursor: pointer;
+    width: 5%;
+    height: 100%;
+    border: none;
+    outline: none;
+    float: left;
+    display: flex;
+    flex-direction: column;
 }
\ No newline at end of file

display/overlays/neighbors.js

@@ -37,6 +37,7 @@ class NodeNeighborOverlay {
         );
         coll.className = "collapsible";
         coll.innerText = "Nachbarn";
+        // TODO: Scrolling wheel for content
         var contentTabs = Helpers.createDiv(
             "neighbor-content-tabs",
             bottomContainerDiv
@@ -55,6 +56,8 @@ class NodeNeighborOverlay {
                 : this.graph.nodeColors;
         // TODO: Colors only fill little part of div
         for (const [cls, color] of Object.entries(colors)) {
+
+
             const collTab = Helpers.createDiv(
                 "button",
                 contentTabs
@@ -64,6 +67,8 @@ class NodeNeighborOverlay {
             collTab.style.backgroundColor = color;
             collTab.type = cls;
             this.tabNavHandles[cls] = collTab;
+
+
             const collTabContent = Helpers.createDiv(
                 "neighbor-content-links",
                 contentTabs
@@ -126,6 +131,7 @@ class NodeNeighborOverlay {
      * @param node
      */
     updateTabs(node) {
+        //TODO: Hide all categories that do not have any links
         this.clearTabContentPages();
         if(this.contentTab.style.display === "flex") {
             this.contentTab.style.display = "none";