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