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