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