<img srcset="crest-383.jpg 1.5x, crest-510.jpg 2x" src="crest-255.jpg" alt="USWNT crest" />

<img 

    src="http://placehold.jp/3840x3840.png"

​

    srcset="http://placehold.jp/3840x3840.png 3840w,

            http://placehold.jp/2048x2048.png 2048w,

            http://placehold.jp/1920x1920.png 1920w,

            http://placehold.jp/1200x1200.png 1200w,

            http://placehold.jp/1080x1080.png 1080w,

            http://placehold.jp/828x828.png 828w,

            http://placehold.jp/750x750.png 750w,

            http://placehold.jp/640x640.png 640w"

​

     sizes="(max-width: 480px) 100vw, 

            (max-width: 1024px) 50vw, 

            33vw"

/>

<img srcset="uswnt-480.jpg 480w, 

             uswnt-640.jpg 640w, 

             uswnt-960.jpg 960w,

             uswnt-1280.jpg 1280w" 

     sizes="(max-width: 400px) 100vw, 

            (max-width: 960px) 75vw, 

            640px" 

     src="uswnt-640.jpg" alt="USWNT World Cup victory">