diff --git a/web/gui/src/main/webapp/app/view/device/device-theme.css b/web/gui/src/main/webapp/app/view/device/device-theme.css
new file mode 100644
index 0000000..cb134f5
--- /dev/null
+++ b/web/gui/src/main/webapp/app/view/device/device-theme.css
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ ONOS GUI -- Device View (theme) -- CSS file
+ */
+
+.light #ov-device .current-view use {
+    fill: white;
+}
+.dark #ov-device .current-view use {
+    fill: #304860;
+}
+
+.light #ov-device .current-view rect {
+    fill: deepskyblue;
+}
+.dark #ov-device .current-view rect {
+    fill: #eee;
+}
+
+.light #device-details-panel.floatpanel {
+    background-color: rgb(229, 234, 237);
+}
+.dark #device-details-panel.floatpanel {
+    background-color: #3A4042;
+}
+
+.light .close-btn svg.embeddedIcon .icon.plus .glyph {
+    fill: #aaa;
+}
+.dark .close-btn svg.embeddedIcon .icon.plus .glyph {
+    fill: #ccc;
+}
+
+.light .dev-icon svg.embeddedIcon .glyph {
+    fill: rgb(0, 172, 229);
+}
+.dark .dev-icon svg.embeddedIcon .glyph {
+    fill: #486D91;
+}
+
+#device-details-panel .editable {
+    cursor: pointer;
+    border-bottom: 1px dashed darkgreen;
+}
+
+#device-details-panel td.label {
+    /* works for both light and dark themes ... */
+    color: #777;
+}
+
+.light #device-details-panel hr {
+    opacity: .5;
+    border-color: #FFF;
+}
+.dark #device-details-panel hr {
+    border-color: #666;
+}
+
+.light #device-details-panel .bottom th {
+    background-color: #CCC;
+    /* default text color */
+}
+.dark #device-details-panel .bottom th {
+    background-color: #131313;
+    color: #ccc;
+}
+
+.light #device-details-panel .bottom tr:nth-child(odd) {
+    background-color: #f9f9f9;
+}
+.light #device-details-panel .bottom tr:nth-child(even) {
+    background-color: #EBEDF2;
+}
+.dark #device-details-panel .bottom tr:nth-child(odd) {
+    background-color: #333;
+}
+.dark #device-details-panel .bottom tr:nth-child(even) {
+    background-color: #555;
+}