.img__wrap is used in .page-header and other places such as the onboarding welcome screen.
The images used are retina 216px x 216px transparent PNGs and reduced to 108px x 108px using CSS.
.img__wrap
.img__wrap.img__wrap--curated-1
.img__wrap.img__wrap--curated-2
.img__wrap.img__wrap--curated-3
.img__wrap.img__wrap--curated-4
.img__wrap.img__wrap--curated-5
.img__wrap.img__wrap--curated-6
.img__wrap.img__wrap--curated-7
.img__wrap.img__wrap--curated-1 with img-edit.png
.img__wrap.img__wrap--curated-1 with img-statistics.png
.img__wrap.img__wrap--curated-3 with img-welcome-step1.png
.img__wrap.img__wrap--curated-2 with img-welcome-step2.png
.img__wrap.img__wrap--curated-4 with img-welcome-step3.png
.img__wrap.img__wrap--curated-6 with img-shortlinks.png
.img__wrap.img__wrap--curated-7 with img-newcategory.png
.img__wrap.img__wrap--curated-3 with img-spreadtheword.png
.img__wrap with .icon-gear
.img__wrap with .icon-people
.img__wrap with .icon-breifcase