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