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