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