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