/images/galaxy-logos/: Add a logo-only image, make transparent text l…

…ogo more visible.

content/images/galaxy-logos/index.md

@@ -24,15 +24,17 @@ Many of the __illustrations__ used in this Community Hub are from [unDraw](https
 
 * White background, symbol + "Galaxy Project": [2000x708 pixels](/images/galaxy-logos/galaxy_project_logo.jpg)
 
-    [<img src="/images/galaxy-logos/galaxy_project_logo.jpg" alt="Galaxy Project Logo, white background" width="300" />](/images/galaxy-logos/galaxy_project_logo.jpg),
+    [<img src="/images/galaxy-logos/galaxy_project_logo.jpg" alt="Galaxy Project Logo, white background" width="300" />](/images/galaxy-logos/galaxy_project_logo.jpg)
 
 * Transparent background, symbol + "Galaxy Project": [2000x708 pixels](/images/galaxy-logos/galaxy_project_logo.png)
 
     [<img src="/images/galaxy-logos/galaxy_project_logo.png" alt="Galaxy Project Logo, transparent background" width="300" />](/images/galaxy-logos/galaxy_project_logo.png)
 
 * White text, transparent background, symbol + "Galaxy Project": [1600x566 pixels](/images/galaxy-logos/galaxy_project_logo_white.png)
 
-    [<img src="/images/galaxy-logos/galaxy_project_logo_white.png" alt="Galaxy Project Logo, white text, transparent backgound" width="300" />](/images/galaxy-logos/galaxy_project_logo_white.png)
+    (The background is actually transparent. The image has been placed over a gray background to make the white elements visible.)
+
+    [![Galaxy Project Logo, white text, transparent backgound](/images/galaxy-logos/galaxy_project_logo_white.png){width="300" style="margin: 5px; padding: 5px; border: 1px solid #ccc; border-radius: 5px; background-color: #dfdfdf"}](/images/galaxy-logos/galaxy_project_logo_white.png)
 
 * White text, slate blue (#2C3143) background, symbol + "Galaxy Project": [1600x566 pixels](/images/galaxy-logos/galaxy_project_logo_blue.png)
 
@@ -42,6 +44,10 @@ Many of the __illustrations__ used in this Community Hub are from [unDraw](https
 
     [<img src="/images/galaxy-logos/galaxy_project_logo_square.png" alt="Galaxy Project Logo, Square, transparent background" width=150 />](/images/galaxy-logos/galaxy_project_logo_square.png)
 
+* Application logo, no text, transparent background (good for icons): [597x451 pixels](/images/galaxy-logos/galaxy_project_logo_white.png)
+
+    [![Galaxy Project Logo, white text, transparent backgound](/images/galaxy-logos/galaxy_project_logo_square_no_text_trans.png){width="147"}](/images/galaxy-logos/galaxy_project_logo_square_no_text_trans.png)
+
 # UseGalaxy and Communities Logos
 
 ## UseGalaxy.*