Sizes (Width x Height pixels)

Logo:
Desktop = 196 x 23
Narrow = 196 x 23
iPad Portrait = 178 x 21
Mobile: 143 x 17

Newsletter Icon (side menu)
All: 17 x 17

Search icon (side menu)
All: 17 x 17

Instagram (side menu)
All: 15 x 15

Twitter (side menu)
All: 15 x 12

Facebook (side menu)
All: 8 x 15

Linkedin (side menu)
All: 14 x 14

Dots (side menu)
All: 15 x 15

Pinterest (side menu)
All: 15 x 15

Popup X:

Desktop = 11 x 11
Mobile = 14 x 14

Z List Circle (resizes along with the post):
Desktop size on PDF = 75 x 75

Hamburger:
14 x 14

Search mobile:
17 x 17