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