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