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