This set features 30 rainbow and multicoloured Photoshop layer styles. There are a variety and some will suit different fonts, text sizes, and darker and lighter backgrounds more than others. Generally they work best on text over 40px high. Some feature gold accents or centres.
They're high resolution and compatible with Photoshop CS5 onwards (including the newest version of Photoshop CC - Creative Cloud). There's a single .ASL file compressed into a .ZIP file. You'll need to unzip the file, before loading the .ASL file in Photoshop (You can do so from the Styles panel).
With versions of Photoshop like CS5, you can click on the symbol at the top right hand side of the Styles panel and go to 'load styles', and load it from there.
With versions like Photoshop CC, you can click on the symbol at the top right hand side of the Styles panel and go to 'import styles', and load it from there.