diff --git a/src/App.vue b/src/App.vue
index 4f27731..c6d9c6a 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -8,6 +8,12 @@
 body .el-table th.gutter {
   display: table-cell !important;
 }
+.el-form-item__label {
+  font-weight: bold;
+}
+.demonstration {
+  font-weight: bold;
+}
 </style>
 
 <script>
diff --git a/src/views/modules/events/category-add-or-update.vue b/src/views/modules/events/category-add-or-update.vue
index d357ad3..4d181b2 100644
--- a/src/views/modules/events/category-add-or-update.vue
+++ b/src/views/modules/events/category-add-or-update.vue
@@ -178,4 +178,11 @@ export default {
     }
   }
 }
+.el-popover {
+  height: 320px;
+  overflow-y: scroll;
+}
+.el-dialog__footer {
+  margin-top: 100px;
+}
 </style>