This Scal w poziomie icon is made in Material Design style developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 4,300 icons, all in the same style and quality.
This logo has what looks like a street or a sidewalk in the middle of it with 2 lateral lines. On the top of it there is an arrow pointing down and on the button there is an arrow pointing up and the arrows are perfectly lined up.