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