diff --git a/src/jsmind.graph.js b/src/jsmind.graph.js
index b1873eb1..3eea7e8a 100644
--- a/src/jsmind.graph.js
+++ b/src/jsmind.graph.js
@@ -59,11 +59,16 @@ class SvgGraph {
         }
         this.lines.length = 0;
     }
-    draw_line(pout, pin, offset, color) {
+    draw_line(pout, pin, offset, color, classList) {
         var line = SvgGraph.c('path');
         line.setAttribute('stroke', color || this.opts.line_color);
         line.setAttribute('stroke-width', this.opts.line_width);
         line.setAttribute('fill', 'transparent');
+        if (classList) {
+            classList.forEach(className => {
+                line.classList.add(className);
+            });
+        }
         this.lines.push(line);
         this.e_svg.appendChild(line);
         this.drawing(
diff --git a/src/jsmind.view_provider.js b/src/jsmind.view_provider.js
index 325a730c..9b09211f 100644
--- a/src/jsmind.view_provider.js
+++ b/src/jsmind.view_provider.js
@@ -505,6 +505,11 @@ export class ViewProvider {
         this._reset_node_custom_style(node._data.view.element, node.data);
     }
     _reset_node_custom_style(node_element, node_data) {
+        if (Array.isArray(node_data['nodeClassList'])) {
+            node_data['nodeClassList'].forEach(className => {
+                node_element.classList.add(className);
+            });
+        }
         if ('background-color' in node_data) {
             node_element.style.backgroundColor = node_data['background-color'];
         }
@@ -586,6 +591,7 @@ export class ViewProvider {
         var pin = null;
         var pout = null;
         var color = null;
+        var classList = null;
         var _offset = this.get_view_offset();
         for (var nodeid in nodes) {
             node = nodes[nodeid];
@@ -598,7 +604,10 @@ export class ViewProvider {
             pin = this.layout.get_node_point_in(node);
             pout = this.layout.get_node_point_out(node.parent);
             color = node.data['leading-line-color'];
-            this.graph.draw_line(pout, pin, _offset, color);
+            classList = Array.isArray(node.data['lineClassList'])
+                ? node.data['lineClassList']
+                : null;
+            this.graph.draw_line(pout, pin, _offset, color, classList);
         }
     }
     // Drag the whole mind map with your mouse, when it's larger that the container