body#tinymce.wp-editor { 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; 
    margin: 10px; 
}

body#tinymce.wp-editor a {
    color: #5E5340;
}