<img class="{{ .class }}" {{- with .image -}} srcset=" {{- with (.Resize "600x q40") -}} {{ printf "%s %dw," .RelPermalink .Width }} {{- end -}} {{- with (.Resize "1200x q65") -}} {{ printf "%s %dw" .RelPermalink .Width }} {{- end -}}" sizes="(max-width: 900px) 600px, (min-width: 901px) 1200px" src=" {{- with (.Resize "600x q40") -}} {{ .RelPermalink }} {{- end -}}" alt="{{ .Params.alt }}" {{- end -}} >