Refactor background CSS properties and remove redundancy

Author: ShivamMaurya2002

CSS Background/style.css

@@ -1,4 +1,3 @@
-
 * {
     margin: 0;
     padding: 0;
@@ -638,10 +637,7 @@ h3 { padding: 10px 0; }
 
 /* *********************************** Background (shorthand) Property *********************************** */
 
-.Background_Shorthand {
-    padding: 20px;
-    height: auto;
-}
+.Background_Shorthand { padding: 20px; height: auto; }
 
 .main7 {
     display: flex;
@@ -669,7 +665,6 @@ h3 { padding: 10px 0; }
     text-align: center;
 }
 
-.background {
-    Background: lightblue url("tree.jpeg") no-repeat fixed center;
+.background { Background: lightblue url("tree.jpeg") no-repeat fixed center;
     /*In the we have used background-color, background-image, background-repeat, background-attachment, background-position, properties. */
 }