Introduce small line for navigation sidebar

apps/files/css/files.css

@@ -137,6 +137,7 @@
 	bottom: 44px;
 	width: inherit !important;
 	background-color: #fff;
+	border-right: 1px solid #eee;
 }
 /* double padding to account for Deleted files entry, issue with Firefox */
 .app-files #app-navigation > ul li:nth-last-child(2) {

core/css/apps.css

@@ -28,6 +28,7 @@
 	-moz-user-select: none;
 	-ms-user-select: none;
 	user-select: none;
+	border-right: 1px solid #eee;
 }
 #app-navigation > ul {
 	position: relative;
@@ -482,6 +483,10 @@
 	max-height: 300px;
 	overflow-y: auto;
 }
+#app-settings-content,
+#app-settings-header {
+	border-right: 1px solid #eee;
+}
 
 /* display input fields at full width */
 #app-settings-content input[type='text'] {