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