Improve usage share count (#138)

* Improve usage share

* Remove 'No caveats' note from all snippets

* Fix transform-centering usage: #search -> #feat

* transform -> transforms2d

* Add missing link for multiline truncate

snippets/fullscreen.md

@@ -55,8 +55,6 @@ The :fullscreen CSS pseudo-class represents an element that's displayed when the
 
 #### Browser support
 
-<span class="snippet__support-note">83.38</span>
-
 - https://developer.mozilla.org/en-US/docs/Web/CSS/:fullscreen
 - https://caniuse.com/#feat=fullscreen