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