Element block pseudo-element :before generated with z-index auto border 0px rgba(0,0,0,1) solid float none box-sizing content-box width 160px border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) overflow hidden position static transition transform font-weight normal line-height 1 box-shadow 3px 1px 1px rgba(0,0,0,0.3) background padding 20px display block font-size 16px cursor default height auto margin 0px