body.cke_editable  {
    font-family: -apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
    font-size: 18px;
    line-height: 1.5;
    color: #292b2c;
    margin: 5px 10px;
}
h1,#html_text h1{
	font-size: 1.6rem;
}
h2,#html_text h2{
	font-size: 1.3rem;
}
h3,#html_text h3{
	font-size: 1.1rem;
}