Switch focus macro icon.

<!-- also use small to further reduce chance of problem on mobile devices, and reduce amount of space taken up -->

<li>exposure_locked.png, focus_mode_locked.png modified from <a href="https://www.iconfinder.com/icons/128411/antivirus_close_forbid_hide_lock_locked_password_privacy_private_protection_restriction_safe_secure_security_icon#size=64">https://www.iconfinder.com/&#8203;icons/128411/&#8203;antivirus_close_forbid_hide_&#8203;lock_locked_password_privacy_&#8203;private_protection_restriction&#8203;_safe_secure_security_icon#&#8203;size=64</a> , by Aha-Soft, under <a href="http://creativecommons.org/licenses/by/3.0/">CC BY 3.0</a> (no need to credit me).</li>

<li>exposure_unlocked.png modified from <a href="https://www.iconfinder.com/icons/128416/free_freedom_hack_lock_open_padlock_password_secure_security_unlock_unlocked_icon#size=64">https://www.iconfinder.com/&#8203;icons/128416/&#8203;free_freedom_hack_lock_open_&#8203;padlock_password_secure_&#8203;security_unlock_unlocked_icon#&#8203;size=64</a> , by Aha-Soft, under <a href="http://creativecommons.org/licenses/by/3.0/">CC BY 3.0</a> (no need to credit me).</li>

<li>focus_mode_macro.png from <a href="https://www.iconfinder.com/icons/81105/macro_mb_icon#size=128">https://www.iconfinder.com/&#8203;icons/81105/&#8203;macro_mb_icon#size=128</a> , by Yankoa - http://yankoa.deviantart.com/ , under <a href="http://creativecommons.org/licenses/by/3.0/">CC BY 3.0</a>.</li>

<li>take_video.png, take_video_pressed.png from <a href="https://www.iconfinder.com/icons/81197/mb_rec_video_icon#size=128">https://www.iconfinder.com/&#8203;icons/81197/&#8203;mb_rec_video_icon#size=128</a> , by Yankoa - http://yankoa.deviantart.com/ , under <a href="http://creativecommons.org/licenses/by/3.0/">CC BY 3.0</a>.</li>

<li>baseline_check_white_48.png, baseline_close_white_48.png, baseline_folder_open_white_48.png,

<li>baseline_check_white_48.png, baseline_close_white_48.png, baseline_filter_vintage_white_48.png,

    baseline_folder_open_white_48.png,

    baseline_highlight_white_48.png,

    baseline_panorama_horizontal_white_48.png,

    baseline_photo_library_white_48.png,

<li>flash_off.png, flash_auto.png, flash_on.png from https://www.iconfinder.com/&#8203;icons/62201/flash_icon#size=64, by The Working Group, under <a href="http://creativecommons.org/licenses/by-sa/3.0/">CC BY-SA 3.0</a>.</li>

<li>flash_red_eye.png, popup_flash_red_eye.png from https://www.iconfinder.com/&#8203;icons/103177/&#8203;eye_see_view_watch_icon#&#8203;size=128 , by Designmodo / Andrian Valeanu, under <a href="http://creativecommons.org/licenses/by/3.0/">CC BY 3.0</a> (no need to credit me).</li>

<li>flash_torch.png, popup_torch.png from https://www.iconfinder.com/&#8203;icons/51924/&#8203;bulb_light_icon#size=128 , by IconFinder - http://www.iconfinder.net , by <a href="http://creativecommons.org/licenses/by/3.0/">CC BY 3.0</a>.</li>

<li>focus_mode_macro.png from https://www.iconfinder.com/&#8203;icons/81105/&#8203;macro_mb_icon#size=128 , by Yankoa - http://yankoa.deviantart.com/ , under <a href="http://creativecommons.org/licenses/by/3.0/">CC BY 3.0</a>.</li>

<li>gallery.png from https://www.iconfinder.com/&#8203;icons/6915/&#8203;book_gallery_images_photos_&#8203;pictures_icon#size=128, by Alessandro Rei, under <a href="http://www.gnu.org/copyleft/gpl.html">GPL v3</a>.</li>

<li>settings.png from https://www.iconfinder.com/&#8203;icons/115801/&#8203;settings_icon#size=128, by Designmodo / Andrian Valeanu, under <a href="http://creativecommons.org/licenses/by/3.0/">CC BY 3.0</a>.</li>

<li>share.png from https://www.iconfinder.com/&#8203;icons/111030/&#8203;share_icon#size=128, by WPZOOM, under <a href="http://creativecommons.org/licenses/by-sa/3.0/">CC BY-SA 3.0</a>.</li>