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