Fix settings box-sizing (#1013)

Author: hata6502

dist/editor.js

@@ -7,6 +7,7 @@
 - `Fix` - Fixed multiple paste callback triggering in a case when several editors are instantiated [#1011](https://github.com/codex-team/editor.js/issues/1011)
 - `Fix` - Fixed inline toolbar flipper activation on closing conversion toolbar [#995](https://github.com/codex-team/editor.js/issues/995) 
 - `Improvements` - New window tab is opened by clicking on anchor with ctrl [#1057](https://github.com/codex-team/editor.js/issues/1057)
+- `Fix` - Fix block-tune buttons alignment in some CSS-resetors that forces `box-sizing: border-box` rule [#1003](https://github.com/codex-team/editor.js/issues/1003)
 
 ### 2.16.1
 

docs/CHANGELOG.md

@@ -3,6 +3,7 @@
   right: 5px;
   top: 35px;
   min-width: 114px;
+  box-sizing: content-box;
 
   @media (--mobile){
     bottom: 50px;