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