R: Great transparent boxes and font, interesting transparent background. Pro: icons, in particular text boxes. Gradient also works very well to create order/flow. Free cross-platform UI kit for Photoshop and Sketch
Create beautiful things with our awesome User Interface kit. It comes with 200 unique screens. Arco is a modern, clean and minimalistic UI Kit to upgrade your projects with over 800 elements to choose. Everything was made with a detail oriented style and
JOK mobile UI KIT is a stylish, clean and trendy UI Kit made to help with your designing or prototyping process. JOK includes 90+ iOS optimized screen templates in 8 categories and 1000 useful UI elements. Each screen is fully customizable, easy to use and handcrafted with love in Sketch and Photoshop.