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