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