Fix style (#454)

Author: Stephan Dilly

src/components/externaleditor.rs

@@ -143,7 +143,7 @@ impl DrawableComponent for ExternalEditorComponent {
                             .border_type(BorderType::Thick)
                             .border_style(self.theme.block(true)),
                     )
-                    .style(self.theme.text_danger()),
+                    .style(self.theme.block(true)),
                 area,
             );
         }

src/ui/style.rs

@@ -286,8 +286,8 @@ impl Default for Theme {
             commit_time: Color::LightCyan,
             commit_author: Color::Green,
             danger_fg: Color::Red,
-            push_gauge_bg: Color::White,
-            push_gauge_fg: Color::Red,
+            push_gauge_bg: Color::Blue,
+            push_gauge_fg: Color::Reset,
         }
     }
 }