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