feat:修改按钮样式

data-room-ui/packages/BigScreenDesign/CloseDialog/index.vue

@@ -9,10 +9,22 @@
     class="bs-dialog-wrap bs-el-dialog"
   >
     <span style="color:#fff">确定返回主页面吗？未保存的配置将会丢失!</span>
-  <span slot="footer" class="dialog-footer">
-    <el-button @click="backDialog = false">留在页面</el-button>
-    <el-button @click="goBack">离开页面</el-button>
-    <el-button type="primary" @click="goBackSave">保存后离开页面</el-button>
+    <span
+      slot="footer"
+      class="dialog-footer"
+    >
+      <el-button
+        class="bs-el-button-default"
+        @click="backDialog = false"
+      >留在页面</el-button>
+      <el-button
+        class="bs-el-button-default"
+        @click="goBack"
+      >离开页面</el-button>
+      <el-button
+        type="primary"
+        @click="goBackSave"
+      >保存后离开页面</el-button>
     </span>
   </el-dialog>
 </template>