capes only show in the corner

I think this is not a valid cape file, it should be one like this one:
https://laby.net/cape/de4a8ad0267f4fc0f41a732ebcf10ec9
You can right click on the download button and use that URL:
https://laby.net/texture/download/de4a8ad0267f4fc0f41a732ebcf10ec9.png
You can find more capes here:
https://laby.net/capes