Element block pseudo-element :after generated with line-height 1 z-index auto margin 1px cursor default box-sizing content-box width 160px font-size 16px font-weight normal transform overflow auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) transition display block border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) padding 8px border 0px rgba(0,0,0,1) solid position fixed height auto background float left