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