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