diff --git a/index.html b/index.html
index 423afb8..a963cb2 100644
--- a/index.html
+++ b/index.html
@@ -15,7 +15,7 @@
             justify-content: center;
             align-items: center;
             overflow: hidden;
-            background-color: #191a1a;
+            background-color: #00224D;
         }
     
         svg {
@@ -31,11 +31,11 @@
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 300 200">
     <circle cx="150" cy="100" r="50" stroke="white" stroke-width="2" fill="none" />
 
-    <line x1="150" y1="100" x2="200" y2="100" stroke="#6d1313" stroke-width="1.5" />
+    <line x1="150" y1="100" x2="200" y2="100" stroke="#FF204E" stroke-width="1.5" />
     <line x1="200" y1="95" x2="200" y2="105" stroke="white" stroke-width="1" />
     <line x1="150" y1="95" x2="150" y2="105" stroke="white" stroke-width="1" />
 
-    <text x="175" y="90" font-size="12" fill="#6d1313">x</text>
+    <text x="175" y="90" font-size="12" fill="#FF204E">x</text>
 
     <text x="75" y="180" font-size="18" fill="white">A = π ⋅ x²</text>
 </svg>