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