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