Editor Style Examples

custom.php

function my_editor_styles() {
	add_editor_style( 'admin/editor.css' );
}
add_action( 'after_setup_theme', 'my_editor_styles' );

googlefonts.php

function my_editor_styles() {
	$font_url = str_replace( ',', '%2C', '//fonts.googleapis.com/css?family=Droid+Sans:400,700|Raleway' );
	add_editor_style( $font_url );

	add_editor_style( 'admin/editor.css' );
}
add_action( 'after_setup_theme', 'my_editor_styles' );

reused.css

@import url( 'style.css' );

/* Overwrite styles as appropriate for the editor */

body {
  padding:0px;
  border:0px;
}

.p {
  margin-left:0px;
  margin-right:0px;
}

simple.php

function my_editor_styles() {
	add_editor_style();
}
add_action( 'after_setup_theme', 'my_editor_styles' );

style.css

body {
  font-family:Helvetica Neue;
  font-size:16px;
  line-height: 1.5em;
}

h1,h2,h3,h4,h5,h6 {
  font-family:Georgia;
  line-height:1.2em;
}

p {
  margin-bottom:24px;
}

a {
  color: #ff9900;
}