This trend concentrates on solid colors, typography and simple use of various UI elements. The latter is a point of our interest today.
Flat design is widely used for creating tiny graphic and UI elements that can be found in every website and should fit its overall style.
Inspired with this trend, we experimented a bit and it resulted in 10 Free PSD Login Forms in flat design. - templatemonster
Easy to alter PSD is available for download.
Tags: design, login form, login, social link, link, username, password, flat design, flat, layout, interface, psd, design, objects, icons, webfonts