Increase side paddings to be consistent with .UppyDashboard-bgIcon

src/scss/_dragdrop.scss

@@ -11,7 +11,7 @@
   .uppy-DragDrop-inner {
     margin: 0;
     text-align: center;
-    padding: 80px 15px;
+    padding: 80px 20px;
     line-height: 1.4;
   }