convert static/img/showcase/people@2x.png -resize 500\> static/img/showcase/people.png
convert static/img/showcase/people@2x.png -resize 1000\> static/img/showcase/people@2x.png
convert static/img/showcase/people-mobile.png -resize 800\> static/img/showcase/people-mobile.png
convert static/img/overview/bids-brain@2x.png -resize 500\> static/img/overview/bids-brain.png
convert static/img/overview/bids-brain@2x.png -resize 1000\> static/img/overview/bids-brain@2x.png
convert static/img/overview/bids-brain-mobile.png -resize 800\> static/img/overview/bids-brain-mobile.png