set editor css body font-size 15.2px

vue-theme/editor-style.css

 .wp-block[data-align='wide'] {
     max-width: 1080px;
 }
- 
+
 /* Editor Width of "full-wide" blocks */
 .wp-block[data-align='full'] {
     max-width: none;
 body {
     font-family: Questrial, sans-serif;
     color: #0d0d0d;
+    font-size:15.2px;
 }
 
 p{