diff --git a/src/assets/styles/index.scss b/src/assets/styles/index.scss
index fd9d0d2..31d9b44 100644
--- a/src/assets/styles/index.scss
+++ b/src/assets/styles/index.scss
@@ -27,37 +27,22 @@ input[type=number] {
 .rounded {
   border-radius: 0.5rem;
 }
-.btn-primary{
+.btn-primary {
   color: #fff;
-  background-color: #7fb1c5;
+  background-color: #3c6d82;
   border: 2px solid #1a617f;
   padding: 0.25rem 0.5rem;
   font-size: .7875rem;
   border-radius: 0.5rem;
   box-shadow: none!important;
 }
-.btn-primary:hover{
-  background-color: #185b77;
-  border-color: #175670;
-  box-shadow: none!important;
-}
-.btn-secondary{
-  color: #fff;
-  background-color: #7fb1c5;
+.btn-primary:hover {
   border: 2px solid #1a617f;
-  padding: 0.25rem 0.5rem;
-  font-size: .7875rem;
-  border-radius: 0.5rem;
-  box-shadow: none!important;
-}
-.btn-secondary:hover{
-  background-color: #185b77;
-  border-color: #175670;
   box-shadow: none!important;
 }
 .btn-success{
   color: #fff;
-  background-color: #00800b;
+  background-color: #3c8243;
   border: 2px solid #006d09;
   padding: 0.25rem 0.5rem;
   font-size: .7875rem;
diff --git a/src/components/floorplan-editor/common/FloorplanEditor.ts b/src/components/floorplan-editor/common/FloorplanEditor.ts
index 644492b..8003e10 100644
--- a/src/components/floorplan-editor/common/FloorplanEditor.ts
+++ b/src/components/floorplan-editor/common/FloorplanEditor.ts
@@ -198,6 +198,12 @@ export class FloorplanEditor
 
                 const asset = spritesheet.frames[assetName];
 
+                if (asset === undefined)
+                {
+                    console.warn(`Asset "${ assetName }" not found in spritesheet.`);
+                    continue;
+                }
+
                 this.renderer.drawImage(this._image, asset.frame.x, asset.frame.y, asset.frame.w, asset.frame.h, positionX, positionY, asset.frame.w, asset.frame.h);
             }
         }
diff --git a/src/components/floorplan-editor/common/FloorplanResource.ts b/src/components/floorplan-editor/common/FloorplanResource.ts
index eb8561d..f099228 100644
--- a/src/components/floorplan-editor/common/FloorplanResource.ts
+++ b/src/components/floorplan-editor/common/FloorplanResource.ts
@@ -192,7 +192,14 @@ export const spritesheet = {
             spriteSourceSize: { x: 0, y: 0, w: 34, h: 17 },
             sourceSize: { w: 34, h: 17 },
         },
-        'r_blocked': {
+		'r': {
+            frame: { x: 73, y: 153, w: 34, h: 17 },
+            rotated: false,
+            trimmed: false,
+            spriteSourceSize: { x: 0, y: 0, w: 34, h: 17 },
+            sourceSize: { w: 34, h: 17 },
+        },
+		'r_blocked': {
             frame: { x: 1, y: 172, w: 34, h: 17 },
             rotated: false,
             trimmed: false,
@@ -206,6 +213,20 @@ export const spritesheet = {
             spriteSourceSize: { x: 0, y: 0, w: 34, h: 17 },
             sourceSize: { w: 34, h: 17 },
         },
+        's': {
+            frame: { x: 73, y: 153, w: 34, h: 17 },
+            rotated: false,
+            trimmed: false,
+            spriteSourceSize: { x: 0, y: 0, w: 34, h: 17 },
+            sourceSize: { w: 34, h: 17 },
+        },
+        't': {
+            frame: { x: 73, y: 153, w: 34, h: 17 },
+            rotated: false,
+            trimmed: false,
+            spriteSourceSize: { x: 0, y: 0, w: 34, h: 17 },
+            sourceSize: { w: 34, h: 17 },
+        },
         'x': {
             frame: { x: 73, y: 172, w: 34, h: 17 },
             rotated: false,