diff --git a/.gitignore b/.gitignore
index e3587d4..71f712a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,6 @@ kinetic_energy_vehicle_simulation.py
 sliders.svg
 sliders1.svg
 Travel-car-topview.svg
+javascript - Mouse position inside autoscaled SVG - Stack Overflow.desktop
+SVGGraphicsElement - Web APIs | MDN.desktop
+drawing.svg
diff --git a/drawing.svg b/drawing.svg
deleted file mode 100644
index a39dc7b..0000000
--- a/drawing.svg
+++ /dev/null
@@ -1,421 +0,0 @@
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-       d="m 1051.0742,487.23242 -11.4258,-11.78906 -11.4257,-11.78906 H 1039.5 v -19.94336 h 23 v 19.94336 h 11.4258 L 1062.5,475.44336 Z" />
-    <path
-       id="path38"
-       style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:butt;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:0"
-       d="m 1201.6879,443.71094 -11.4258,11.78906 -11.4257,11.78906 h 11.2773 v 19.94336 h 23 v -19.94336 h 11.4258 L 1213.1137,455.5 Z" />
-  </g>
-</svg>
diff --git a/sliders2.html b/sliders2.html
index 0a654f8..6c752b6 100644
--- a/sliders2.html
+++ b/sliders2.html
@@ -41,7 +41,7 @@
 }
 
 .big {
-  font-size:24px;
+  font-size:28px;
   font-weight:bold;
 }
 
@@ -128,9 +128,10 @@
       </g>
     </g>
   </defs>
+  <rect x="-195", y="-405" width="390" height="400" rx="40" ry="40" fill="black" opacity="0.15"/>
   <circle id="svg-road" cx="0" cy="0" r="410" stroke-width="80"/>
   <g class="svg-label big">
-    <text x="0" y="-309">engine</text>
+    <text x="0" y="-313">engine</text>
     <text x="0" y="333">vehicle</text>
   </g>
   <use id="car" xlink:href="#svg-car"/>