diff --git a/src/pages/VisProgPage/visualProgrammingUI/VisProgUI.css b/src/pages/VisProgPage/visualProgrammingUI/VisProgUI.css
index 936f478..b853be4 100644
--- a/src/pages/VisProgPage/visualProgrammingUI/VisProgUI.css
+++ b/src/pages/VisProgPage/visualProgrammingUI/VisProgUI.css
@@ -1,3 +1,34 @@
+/* editor UI */
+
+.outer-editor-container {
+    margin-inline: auto;
+    display: flex;
+    justify-self: center;
+    padding: 10px;
+    align-items: center;
+    width: 80vw;
+    height: 80vh;
+}
+
+.inner-editor-container {
+    outline-style: solid;
+    border-radius: 10pt;
+    width: 90%;
+    height: 100%;
+}
+
+.dnd-panel {
+    margin-inline-start: auto;
+    margin-inline-end: auto;
+    background-color: canvas;
+    margin-bottom: 0.5rem;
+    margin-top:auto;
+    width: 50%;
+    height:7%;
+}
+
+/* Node Styles */
+
 .default-node {
     padding: 10px 15px;
     background-color: canvas;
diff --git a/src/pages/VisProgPage/visualProgrammingUI/VisProgUI.tsx b/src/pages/VisProgPage/visualProgrammingUI/VisProgUI.tsx
index 323ad2f..229057e 100644
--- a/src/pages/VisProgPage/visualProgrammingUI/VisProgUI.tsx
+++ b/src/pages/VisProgPage/visualProgrammingUI/VisProgUI.tsx
@@ -1,22 +1,22 @@
 import './VisProgUI.css'
 
 import {
-    Background,
-    Controls,
-    Panel,
-    ReactFlow,
-    ReactFlowProvider,
-    MarkerType,
+  Background,
+  Controls,
+  Panel,
+  ReactFlow,
+  ReactFlowProvider,
+  MarkerType,
 } from '@xyflow/react';
 import '@xyflow/react/dist/style.css';
 import {
-    StartNode,
-    EndNode,
-    PhaseNode,
-    NormNode
+  StartNode,
+  EndNode,
+  PhaseNode,
+  NormNode
 } from './components/NodeDefinitions.tsx';
 
-import { Sidebar } from './components/DragDropSidebar.tsx';
+import {Sidebar} from './components/DragDropSidebar.tsx';
 
 import useFlowStore from './VisProgStores.tsx';
 import {useShallow} from 'zustand/react/shallow';
@@ -24,82 +24,94 @@ import type {FlowState} from './VisProgTypes.tsx';
 
 // --| config starting params for flow |--
 
-const nodeTypes = {
-    start: StartNode,
-    end: EndNode,
-    phase: PhaseNode,
-    norm: NormNode
+/**
+ * contains the types of all nodes that are available in the editor
+ */
+const NODE_TYPES = {
+  start: StartNode,
+  end: EndNode,
+  phase: PhaseNode,
+  norm: NormNode
 };
 
-const defaultEdgeOptions = {
-    type: 'default',
-    markerEnd: {
-        type: MarkerType.ArrowClosed,
-        color: '#505050',
-    },
+/**
+ * defines how the default edge looks inside the editor
+ */
+const DEFAULT_EDGE_OPTIONS = {
+  type: 'default',
+  markerEnd: {
+    type: MarkerType.ArrowClosed,
+    color: '#505050',
+  },
 };
 
 const selector = (state: FlowState) => ({
-    nodes: state.nodes,
-    edges: state.edges,
-    onNodesChange: state.onNodesChange,
-    onEdgesChange: state.onEdgesChange,
-    onConnect: state.onConnect,
-    onReconnectStart: state.onReconnectStart,
-    onReconnectEnd: state.onReconnectEnd,
-    onReconnect: state.onReconnect
+  nodes: state.nodes,
+  edges: state.edges,
+  onNodesChange: state.onNodesChange,
+  onEdgesChange: state.onEdgesChange,
+  onConnect: state.onConnect,
+  onReconnectStart: state.onReconnectStart,
+  onReconnectEnd: state.onReconnectEnd,
+  onReconnect: state.onReconnect
 });
 
 // --| define ReactFlow editor |--
 
-const VisProgUI = ()=>  {
+const VisProgUI = () => {
+  const {
+    nodes, edges,
+    onNodesChange,
+    onEdgesChange,
+    onConnect,
+    onReconnect,
+    onReconnectStart,
+    onReconnectEnd
+  } = useFlowStore(useShallow(selector)); // instructs the editor to use the corresponding functions from the FlowStore
 
-    const { nodes, edges, onNodesChange, onEdgesChange, onConnect, onReconnect, onReconnectStart, onReconnectEnd } = useFlowStore(
-        useShallow(selector),
-    );
-
-    return (
-        <div style={{marginInline: 'auto',display: 'flex',justifySelf: 'center', padding:'10px', alignItems: 'center', width: '80vw', height: '80vh'}}>
-            <div style={{outlineStyle: 'solid', borderRadius: '10pt',width: '90%', height:'100%' }}>
-                <ReactFlow
-                    nodes={nodes}
-                    edges={edges}
-                    defaultEdgeOptions={defaultEdgeOptions}
-                    nodeTypes={nodeTypes}
-                    onNodesChange={onNodesChange}
-                    onEdgesChange={onEdgesChange}
-                    onReconnect={onReconnect}
-                    onReconnectStart={onReconnectStart}
-                    onReconnectEnd={onReconnectEnd}
-                    onConnect={onConnect}
-                    snapToGrid
-                    fitView
-                    proOptions={{hideAttribution: true }}
-                >
-                    <Panel position="top-center" style={{marginInlineStart: 'auto', marginInlineEnd:'auto',backgroundColor: 'canvas' ,marginBottom: '0.5rem', marginTop:'auto', width: '50%', height:'7%'}}>
-                        <Sidebar />
-                    </Panel>
-                    <Controls />
-                    <Background />
-                </ReactFlow>
-            </div>
-        </div>
-    );
+  return (
+    <div className={'outer-editor-container'}>
+      <div className={'inner-editor-container'}>
+        <ReactFlow
+          nodes={nodes}
+          edges={edges}
+          defaultEdgeOptions={DEFAULT_EDGE_OPTIONS}
+          nodeTypes={NODE_TYPES}
+          onNodesChange={onNodesChange}
+          onEdgesChange={onEdgesChange}
+          onReconnect={onReconnect}
+          onReconnectStart={onReconnectStart}
+          onReconnectEnd={onReconnectEnd}
+          onConnect={onConnect}
+          snapToGrid
+          fitView
+          proOptions={{hideAttribution: true}}
+        >
+          <Panel position="top-center" className={'dnd-panel'}>
+            <Sidebar/> {/* contains the drag and drop panel for nodes */}
+          </Panel>
+          <Controls/>
+          <Background/>
+        </ReactFlow>
+      </div>
+    </div>
+  );
 };
 
 
-/* --| Places the VisProgUI component inside a ReactFlowProvider
+/**
+ * Places the VisProgUI component inside a ReactFlowProvider
  *
  * Wrapping the editor component inside a ReactFlowProvider
  * allows us to access and interact with the components inside the editor, outside the editor definition,
  * thus facilitating the addition of node specific functions inside their node definitions
  */
-function VisualProgrammingUI(){
-    return (
-        <ReactFlowProvider>
-            <VisProgUI />
-        </ReactFlowProvider>
-    );
+function VisualProgrammingUI() {
+  return (
+    <ReactFlowProvider>
+      <VisProgUI/>
+    </ReactFlowProvider>
+  );
 }
 
 export default VisualProgrammingUI;
\ No newline at end of file