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