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