Added responsiveness

Author: unknown

Projects/Air-Quality/style.css

@@ -178,6 +178,7 @@ button:hover {
 
 /* CSS for screens less than 480px */
 @media (max-width: 480px) {
+  
   .header {
     font-size: 18px;
   }
@@ -189,4 +190,8 @@ button:hover {
   .sub-heading{
     font-size: 20x;
   }
+  .modal-container{
+    margin-top: 80px;
+  }
 }
+