MDL2 Icons
Example of full-screen at 6x   Example of full-screen at 5x    Example of full-screen at 4x    Example of full-screen at 3x    Example of full-screen at 2x   Example of full-screen

mdl2-full-screen · Unicode: \ue740 · Categories: AppBar glyphs

After you get up and running, you can place MDL2 icons just about anywhere with the <i> tag:

Example of full-screen mdl2-full-screen 
<i class="mdl2 mdl2-full-screen" aria-hidden="true"></i>

Note: to improve web accessibility, we recommend using aria-hidden="true" to hide icons used purely for decoration.