manual fix stylelint

.stylelintrc

@@ -4,7 +4,6 @@
         "indentation": 4,
         "no-descending-specificity": null,
         "selector-list-comma-newline-after": null,
-        "declaration-empty-line-before": null,
-        "no-duplicate-selectors": null
+        "declaration-empty-line-before": null
     }
 }

src/components/HeartbeatBar.vue

@@ -163,10 +163,6 @@ export default {
 
         &.empty {
             background-color: aliceblue;
-
-            .dark & {
-                background-color: #d0d3d5;
-            }
         }
 
         &.down {

src/layouts/Layout.vue

@@ -191,6 +191,7 @@ main {
 }
 
 footer {
+    color: #aaa;
     font-size: 13px;
     margin-top: 10px;
     padding-bottom: 30px;
@@ -198,10 +199,6 @@ footer {
     text-align: center;
 }
 
-footer {
-    color: #aaa;
-}
-
 .dark {
     header {
         background-color: #161b22;