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