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