* {
	padding: 0;
	margin: 0;
}

h2 {
	margin-bottom: 1em;
}

header, nav, section, footer {
    display: block;
}

label {
	display: block;
}

textarea {
	resize: none;
	width: 90%;
	height: 200px;
}

header {
	padding: 25px 0;
}

nav, footer {
	text-align: center;
}

nav ul {
	display: inline-block;
}

nav ul li {
	display: inline-block;
	float: left; /*wegen white-space durch markup*/
}

nav ul li a {
	display: block;
	text-align: center;
	font-size: 1em;
	line-height: 3em;
}

header nav ul {
	height: 4em;
}

header nav ul li {
	margin-right: 1px;
}

#wrapper {
	margin: -8px auto; /*zentrieren und oben / unten nahtlos einfügen*/
}

#content #mainContent ul {
	margin-bottom: 2em;
}

#content #mainContent h1 {
	margin-bottom: 0.5em;
}

#content #mainContent p {
	margin-bottom: 1em;
}

#content #mainContent.mainContentOnly {
	padding: 25px;
}

#content aside, #content #mainContent {
	vertical-align: top;
}

#content aside {
	text-align: center; /*schmale bilder zentrieren*/
}

#content #mainContent iframe {
	width: 100%;
	height: 500px;
	margin: 0;
}

#content #mainContent form {
	margin-top: 2em;
}

#content #mainContent form h6, #content #mainContent form input {
	margin-bottom: 1em;
}

table.lieferanten_tabelle {
	width: 100%;
}

table.lieferanten_tabelle a {
	display: block;
}

/*<-----

 responsive

 ----->*/
@media only screen and (max-width: 269px) {

	#banner {
		width: 100%;
		margin: 0 auto 10px auto;
	}

	#banner #logo {
		display: inline-block;
	}

	#banner #logo img {
		width: 50px;
	}

	#banner #text {
		display: inline-block;
		vertical-align: top;
		font-size: 0.7em;
		padding-top: 10px;
	}
	
	#banner #text #part1 {
		font-size: 1.2em;
	}

	#banner #text #part1, #banner #text #part2, #banner #text #part3 {
		display: block;
	}

	header nav ul {
		width: 80%;
		height: auto;
	}

	nav ul li a {
		width: 90px;
	}

	header nav ul li {
		margin: 3px;
	}

	#content aside {
		padding: 10px;
	}

	#content aside img {
		max-width: 100px;
		max-height: 100px;
	}

	#content #mainContent {
		width: 80%;
		padding: 10px;
	}

	#content aside, #content #mainContent {
		display: block;
		margin: 0 auto;
	}

	#content #mainContent.mainContentOnly {
		width: auto;
	}

	.lieferanten_tabelle img {
		max-width: 150px;
		max-height: 50px;
	}

	.lieferanten_tabelle td {
		display: block;
		padding: 3px;
	}

}

@media only screen and (min-width: 270px) and (max-width: 469px) {

	#banner {
		width: 300px;
		margin: 0 auto 20px auto;
	}

	#banner #logo {
		display: inline-block;
	}

	#banner #logo img {
		width: 100px;
	}

	#banner #text {
		display: inline-block;
		vertical-align: top;
		font-size: 0.7em;
		padding-top: 15px;
	}
	
	#banner #text #part1 {
		font-size: 1.2em;
	}

	#banner #text #part1, #banner #text #part2, #banner #text #part3 {
		display: block;
	}

	header nav ul {
		width: 300px;
		height: auto;
	}

	nav ul li a {
		width: 90px;
	}

	header nav ul li {
		margin: 3px;
	}

	#content aside {
		padding: 20px;
	}

	#content aside img {
		max-width: 200px;
		max-height: 200px;
	}

	#content #mainContent {
		width: 80%;
		padding: 10px;
	}

	#content aside, #content #mainContent {
		display: block;
		margin: 0 auto;
	}

	#content #mainContent.mainContentOnly {
		width: auto;
	}

	.lieferanten_tabelle img {
		max-width: 250px;
	}

	.lieferanten_tabelle td {
		display: block;
		padding: 1em 7px 1em 3px;
	}

}

@media only screen and (min-width: 470px) and (max-width: 819px) {

	#banner {
		width: 430px;
		margin: 0 auto 20px auto;
	}

	#banner #logo {
		display: inline-block;
	}

	#banner #text {
		margin: 10px;
		display: inline-block;
		vertical-align: top;
	}

	#banner #text #part1, #banner #text #part2, #banner #text #part3 {
		display: block;
	}

	header nav ul {
		width: 440px;
		height: auto;
	}

	nav ul li a {
		width: 100px;
	}

	header nav ul li {
		margin: 5px;
	}

	#content aside {
		padding: 25px;
	}

	#content aside img {
		max-width: 300px;
		max-height: 300px;
	}

	#content #mainContent {
		width: 90%;
		padding: 0 25px 25px 25px;
	}

	#content aside, #content #mainContent {
		display: block;
		margin: 0 auto;
	}

	#content #mainContent.mainContentOnly {
		width: 90%;
	}

	.lieferanten_tabelle td {
		display: block;
		padding: 1em 7px 1em 3px;
	}

}

@media only screen and (min-width: 820px) and (max-width: 919px) {

	body {
		background-image: url(../img/metall_textur.png);
	}

	#wrapper {
		width: 800px;
	}

	#banner {
		width: 700px;
		margin: 0 auto 20px auto;
	}

	#banner #logo {
		display: inline-block;
	}

	#banner #text {
		margin: 25px;
		display: inline-block;
		vertical-align: top;
	}

	#banner #text #part1 {
		display: block;
	}

	#banner #text #part2 {
		margin-left: 110px;
	}

	nav ul li a {
		width: 100px;
	}

	header nav ul li:hover {
		padding-bottom: 0.5em;
	}

	header nav ul li.selected {
		padding-bottom: 1em;
	}

	#content aside {
		width: 300px;
	}

	#content #mainContent {
		width: 350px;
	}

	#content aside, #content #mainContent {
		display: inline-block;
		padding: 25px;
	}

	#content #mainContent.mainContentOnly {
		width: 750px;
	}

}

@media only screen and (min-width: 920px) {

	body {
		background-image: url(../img/metall_textur.png);
	}

	#wrapper {
		width: 900px;
	}

	#banner {
		width: 800px;
		margin: 0 auto 20px auto;
	}

	#banner #logo {
		display: inline-block;
	}

	#banner #text {
		margin: 25px;
		display: inline-block;
		vertical-align: top;
	}

	#banner #text #part1 {
		display: block;
	}

	#banner #text #part2 {
		margin-left: 110px;
	}

	nav ul li a {
		width: 120px;
	}

	header nav ul li:hover {
		padding-bottom: 0.5em;
	}

	header nav ul li.selected {
		padding-bottom: 1em;
	}

	#content aside {
		width: 300px;
	}

	#content #mainContent {
		width: 450px;
	}

	#content aside, #content #mainContent {
		display: inline-block;
		padding: 25px;
	}

	#content #mainContent.mainContentOnly {
		width: 850px;
	}

}