I am developing an application in flex, butwould like to to use a feature that I saw on a website but do not know what effect this is . If anyone has seen or used this effect to help me.
o site é : http://www.webinovacoes.com.br/colossus/
By entering the site will have a login, use: "Faça um tour".
to access content that note at the top has a square with four squares inside it interacts between different environments as it recreates this effect?