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