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