Element block pseudo-class :active generated with box-sizing content-box display block background padding 20px border 0px rgba(0,0,0,1) solid margin 0px cursor default transition overflow hidden line-height 1 border-radius z-index auto position static float none font-weight normal height auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-size 16px