diff --git a/src/styles/variables.scss b/src/styles/variables.scss
new file mode 100644
index 00000000..d11bc6cb
--- /dev/null
+++ b/src/styles/variables.scss
@@ -0,0 +1,20 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+$font-color: #3d444f;
+$active-color: #409eff;
+$theme-background: #fff;
diff --git a/src/views/dashboard/List.vue b/src/views/dashboard/List.vue
index d81fe692..85f6abfe 100644
--- a/src/views/dashboard/List.vue
+++ b/src/views/dashboard/List.vue
@@ -55,7 +55,7 @@ limitations under the License. -->
             </span>
           </template>
         </el-table-column>
-        <el-table-column prop="layer" label="Layer" width="120" />
+        <el-table-column prop="layer" label="Layer" width="160" />
         <el-table-column prop="entity" label="Entity" width="200" />
         <el-table-column prop="isRoot" label="Root" width="60">
           <template #default="scope">
@@ -481,7 +481,7 @@ limitations under the License. -->
   .table {
     padding: 20px 10px;
     background-color: #fff;
-    box-shadow: 0px 1px 4px 0px #00000029;
+    box-shadow: 0 1px 4px 0 #00000029;
     border-radius: 5px;
     width: 100%;
     height: 100%;
diff --git a/src/views/dashboard/controls/Widget.vue b/src/views/dashboard/controls/Widget.vue
index c13f90fa..3a4dfb77 100644
--- a/src/views/dashboard/controls/Widget.vue
+++ b/src/views/dashboard/controls/Widget.vue
@@ -293,7 +293,7 @@ limitations under the License. -->
     text-align: center;
 
     &:hover {
-      color: #409eff;
+      color: $active-color;
       background-color: #eee;
     }
   }
diff --git a/vite.config.ts b/vite.config.ts
index 249c133e..1249a573 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -27,6 +27,7 @@ import path from "path";
 import { createSvgIconsPlugin } from "vite-plugin-svg-icons";
 
 const OUTPUT_DIR = "dist";
+const pathSrc = path.resolve(__dirname, "./src");
 // https://vitejs.dev/config/
 export default ({ mode }: ConfigEnv): UserConfig => {
   const { VITE_SW_PROXY_TARGET } = loadEnv(mode, process.cwd());
@@ -54,11 +55,19 @@ export default ({ mode }: ConfigEnv): UserConfig => {
     resolve: {
       extensions: [".mjs", ".js", ".ts", ".jsx", ".tsx", ".json", ".vue"],
       alias: {
-        "@": path.resolve(__dirname, "./src"),
+        "@": pathSrc,
         "vue-i18n": "vue-i18n/dist/vue-i18n.cjs.js",
       },
       preserveSymlinks: true,
     },
+    css: {
+      preprocessorOptions: {
+        //define global scss variable
+        scss: {
+          additionalData: `@import "@/styles/variables.scss";`,
+        },
+      },
+    },
     server: {
       host: true,
       port: 3000,