body#tinymce.wp-editor {
   font-family: 'Open Sans', Arial, Helvetica, sans-serif;
   font-size: 1rem;
   font-weight: 400;
   color:#6c757d;
}

.wp-block-button__link {background:#ddde3a;text-decoration:none;padding:2px 14px; font-size:.9rem;}
.wp-block-button__link:hover {text-decoration:none;}