Depression and anxiety are well-known social scourges. Nowadays modern psychological therapy can give the power to overcome these conditions. CBT (Cognitive Behavioural Therapy) is a scientifically proven system of psychotherapy that helps people identify and then challenge the distorted thinking that feeds depression. So, our American client wanted to create an effective depression-fighting web-tool based on CBT. The website to be built had to be responsive, as it was intended for both desktop and mobile use.