Merge pull request #5320 from SunJary/fix_paper_sftp_color

tabby-core/src/theme.paper.scss

@@ -386,3 +386,7 @@ start-page footer {
     background: #ffffff4a !important;
     border-bottom: 1px solid #00000026 !important;
 }
+
+.bg-dark{
+    background-color: $base2 !important;
+}