style-editor.css

.mceContentBody {
	font: 16px/28px 'Helvetica Neue', Helvetica, sans-serif;
	color:#555;
}

.mceContentBody h1, .mceContentBody h2, .mceContentBody h3, .mceContentBody h4, .mceContentBody h5, .mceContentBody h6 {
    margin: 0 0 25px 0;
    font-family: 'Helvetica Neue', Helvetica, sans-serif;
    font-weight: bold;
}

.mceContentBody h1 { 
	font-size: 34px;
	line-height: 40px;
}

.mceContentBody h2 { 
	font-size: 28px;
	line-height: 32px;
 }

.mceContentBody h3 { 
	font-size: 22px;
	line-height: 30px;
}

.mceContentBody h4 { 
	font-size: 18px;
	line-height: 22px;
}

.mceContentBody h5 {
	font-size: 14px;
	line-height: 18px;
}

.mceContentBody h6 { 
	font-size: 12px;
	font-weight: 400;
}

.mceContentBody p {
	margin: 0 0 28px;
}

.mceContentBody blockquote {
   padding: 0 0 0 30px;	
	margin: 30px 0;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	border-left: solid 10px #eee;
}

.mceContentBody blockquote p {
	font-family: 'Helvetica Neue', Helvetica, sans-serif;
	font-weight: 300;
	font-size: 20px;
	line-height: 30px;
	color: #aaa;
}

.mceContentBody ul {
	margin: 0 0 30px 18px;
	padding: 0;
}

.mceContentBody li {
	list-style-type: square;
	margin: 0 0 8px 0;
}

.mceContentBody ol {
	margin: 0 0 30px 22px;
	padding: 0;
}
.mceContentBody ol li {
	list-style-type: decimal;
}

.intro {
	font-size: 20px;
	font-weight: 300;
	line-height: 28px;
	color: #aaa;
	margin: 0 0 28px 0;
	padding: 0 0 27px 0;
	border-bottom: solid 1px #e4e4e4;
}

.highlight {
	background: #fff198;
	color: #222;
}

hr {
	margin: 40px 0 30px;
    border: 0;
    border-bottom: 1px solid #eee;
    height: 1px;
}

.alignright {
	margin: 5px 0 30px 30px;
}

.alignleft {
	margin: 5px 30px 30px 0;
}