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