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