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