Aláhúzott címsor

html
<div class="underline">
    <h1>Címsorok</h1>
</div>
css
div.underline {
	display: inline-block;
	width: 100%;
	padding: 0 0 5px 0;
	border-bottom: 1px solid #c2cddb;
	margin: 0 0 15px 0;
}

div.underline h1,
div.underline h2,
div.underline h3,
div.underline h4,
div.underline h5 {
	margin: 0;
}

h1 head címsor

html
<h1 class="head">h1 head címsor</h1>
css
.head {
    margin-top: 0;
    line-height: normal;
}

h1 címsor

html
<h1>h1 címsor</h1>
css
main h1,
main h2,
main h3,
main h4,
main h5 {
	font-weight: 700;
	margin-bottom: 15px;
	margin-top: 25px;
	font-family: 'Open Sans', sans-serif;
	color: #000;
	text-transform: uppercase;
}
main h1 {
	font-size: 1.8rem;
}

h2 címsor

html
<h2>h2 címsor</h2>
css
main h1,
main h2,
main h3,
main h4,
main h5 {
	font-weight: 700;
	margin-bottom: 15px;
	margin-top: 25px;
	font-family: 'Open Sans', sans-serif;
	color: #000;
	text-transform: uppercase;
}
main h2 {
	font-size: 1.6rem;
}

h3 címsor

html
<h3>h3 címsor</h3>
css
main h1,
main h2,
main h3,
main h4,
main h5 {
	font-weight: 700;
	margin-bottom: 15px;
	margin-top: 25px;
	font-family: 'Open Sans', sans-serif;
	color: #000;
	text-transform: uppercase;
}
main h3 {
	font-size: 1.4rem;
}

h4 címsor

html
<h4>h4 címsor</h4>
css
main h1,
main h2,
main h3,
main h4,
main h5 {
	font-weight: 700;
	margin-bottom: 15px;
	margin-top: 25px;
	font-family: 'Open Sans', sans-serif;
	color: #000;
	text-transform: uppercase;
}
main h4 {
	font-size: 1.2rem;
}
h5 címsor
html
<h5>h5 címsor</h5>
css
main h1,
main h2,
main h3,
main h4,
main h5 {
	font-weight: 700;
	margin-bottom: 15px;
	margin-top: 0;
	font-family: 'Open Sans', sans-serif;
	color: #000;
}
h5 {
	font-size: 1rem;
}