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