hide img and show bottom border for nav panel once we have reduced screen width - xslt and xpath extension guide

Author: pgfearo

vscode-xslt-xpath/resources/layout.css

@@ -26,6 +26,15 @@
 	/* Smaller than standard 960 (devices and browsers) */
 	@media only screen and (max-width: 959px) {}
 
+	@media only screen and (max-width: 768px) {
+		.topbar img {
+			display: none;
+		}
+		nav {
+			border-bottom: 2px solid #808080;
+		}
+	}
+
 	/* Tablet Portrait size to standard 960 (devices and browsers) */
 	@media only screen and (min-width: 768px) and (max-width: 959px) {}