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