Update style.css

Author: palashmon

Challenges/Day 01 - JavaScript Drum Kit/style.css

@@ -1,7 +1,10 @@
 html {
   font-size: 10px;
-  background: url(https://i.imgur.com/b9r5sEL.jpg) bottom center;
-  background-size: cover;
+  /*background: url(https://i.imgur.com/b9r5sEL.jpg) bottom center;
+  background-size: cover;*/
+  background: #2980b9;  /* fallback for old browsers */
+  background: -webkit-linear-gradient(to right, #2c3e50, #2980b9);  /* Chrome 10-25, Safari 5.1-6 */
+  background: linear-gradient(to right, #2c3e50, #2980b9); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
 }
 
 body,