diff --git a/Helloworld b/Helloworld
new file mode 100644
index 000000000..52a989f04
--- /dev/null
+++ b/Helloworld
@@ -0,0 +1,8 @@
+# Shipping Cost Calculator
+## Input package weight and shipping rate
+weight = float(input("Enter the package weight in kilograms: "))
+rate = float(input("Enter the shipping rate per kilogram: "))
+## Calculate shipping cost
+shipping_cost = weight * rate
+## Display the result
+print(f"Shipping Cost: {shipping_cost} USD")
diff --git a/style.css b/style.css
index b1a4e3b87..fd5898247 100644
--- a/style.css
+++ b/style.css
@@ -3,6 +3,9 @@
 }
 .circle{
 			border-radius:50%;
-			width:300px;
-			height:300px;
+			width:500px;
+			height:500px;
+}
+.red{
+    background-color: red;
 }