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