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