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