This article provides information on the recommended image sizes for various image functions in TeamSideline:

• Background Image - 2000 x 2000 pixels
• Page Banners - Width: 1130 pixels.  Height can vary but make all images in a given Rotator the same height.
• News Items: 180x150 pixels
• Public Badge: 300x200 pixels
• Portal Badge: 180x120 pixels
• Favicon: 192x192 pixels