Some dark mode fixes

dashboard/src/theme.scss

@@ -196,6 +196,7 @@ html, body {
     height: 100%;
     width: 100%;
     padding: 0;
+    background-color: white;
 }
 
 .view-header-filter-bar {
@@ -284,7 +285,7 @@ html, body {
     display: flex;
     flex-direction: row;
     width: 100%;
-    background-color: white;
+    // background-color: white;
     overflow: hidden;
 }
 
@@ -370,7 +371,7 @@ html, body {
 .nav-sidebar {
     margin: 0 10px 0 10px;
     min-width: 200px;
-    background-color: white;
+    // background-color: white;
     overflow: hidden;
     display: flex;
     flex-direction: column;
@@ -378,6 +379,7 @@ html, body {
 
 .nav-sidebar-list {
     overflow: auto;
+    padding-top: 20px;
 }
 
 .nav-sidebar-item {
@@ -2416,6 +2418,19 @@ tag-input {
         background-color: $backgroundDark;
     }
 
+    .navbar-default .navbar-nav > li > a:hover,
+    .navbar-default .navbar-nav > li > a:focus {
+        color: var(--accent-color);
+    }
+
+    .navbar-default .navbar-nav > li > a {
+        color: $textColor;
+    }
+
+    .nav-sidebar-item {
+        color: $textColor;
+    }
+
     .grid-item {
         .grid-item-content {
             background-color: $backgroundDark !important;