Updated look of dark mode to be more "dark" and more friendly

src/styles.scss

@@ -30,7 +30,7 @@ $my-app-theme: mat-light-theme($my-app-primary, $my-app-accent, $my-app-warn);
 @include angular-material-theme($my-app-theme);
 
 // Dark theme
-$dark-primary: mat-palette($mat-indigo);
+$dark-primary: mat-palette($mat-light-blue);
 $dark-accent:  mat-palette($mat-blue);
 $dark-warn:    mat-palette($mat-deep-orange);
 

src/themes.ts

@@ -8,7 +8,7 @@ const THEMES_CONFIG = {
     },
     'dark': {
         'key': 'dark',
-        'background_color': '#757575',
+        'background_color': '#141414',
         'alternate_color': '#695959',
         'css_label': 'dark-theme',
         'social_theme': 'material-dark'