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