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