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