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