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