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