Flat Design

Flat design is a simple, graphic style common in UI, software and Web design. In the past, designers at a particular focus on showcasing their skills by portraying flashy illustrations and animations that supposedly wowed their users. Then skeuomorphic design became the trend, attempting to bring real life to the screen with realistic textures and real object characteristics. Today, flat design is popular and sought. It opposes all of these 'artificial' design techniques, in favor of a more simplified, classically digital aesthetic. 

Examples of web flat design-