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