Fixes cosmetic problems with Gradio 3.37.0 (#1676)

* Fix nod-ai logo having a white border
* Fix control labels having a black background
* Remove extra lower border below Save Prompt checkboxes in Txt2Img UI

apps/stable_diffusion/web/ui/css/sd_dark_theme.css

@@ -117,16 +117,12 @@ body {
     padding: 0 var(--size-4) !important;
 }
 
-.container {
-    background-color: black !important;
-    padding-top: var(--size-5) !important;
-}
-
 #ui_title {
     padding: var(--size-2) 0 0 var(--size-1);
 }
 
 #top_logo {
+    color: transparent;
     background-color: transparent;
     border-radius: 0 !important;
     border: 0;

apps/stable_diffusion/web/ui/txt2img_ui.py

@@ -395,7 +395,7 @@ with gr.Blocks(title="Text-to-Image") as txt2img_web:
                             value=args.scheduler,
                             choices=scheduler_list,
                         )
-                        with gr.Group():
+                        with gr.Column():
                             save_metadata_to_png = gr.Checkbox(
                                 label="Save prompt information to PNG",
                                 value=args.write_metadata_to_png,