Update style.css

Added fixed position property to the footer.

Author: Yonatanteklemariam

Wireframe/style.css

@@ -138,6 +138,9 @@ body {
 }
 
 footer {
+  position: fixed;
+  bottom: 0;
+  left: 0;
   background-color: #d0bee3;
   color: #1a082c;
   text-align: center;
@@ -174,4 +177,4 @@ footer p {
   color: #c6e9e9;
   text-shadow: 2px 2px 4px rgba(25, 32, 112, 0.982);
 
-}
+}