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