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