icons/i_maximize.svg
<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24">
<title>i</title>
<g id="Complete">
<g id="maximize">
<g>
<path d="M3,8V5A2,2,0,0,1,5,3H8" fill="none" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"/>
<path d="M21,16v3a2,2,0,0,1-2,2H16" fill="none" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"/>
<path d="M3,16v3a2,2,0,0,0,2,2H8" fill="none" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"/>
<path d="M21,8V5a2,2,0,0,0-2-2H16" fill="none" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"/>
</g>
</g>
</g>
</svg>