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