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