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