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