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