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