html, body {
	height:100%;
	max-width:100%;
	font-size:98.6%;
	font-family:'helvetica';
	background-color:#ebebeb;
  	line-height:1.5;
  	color:#f0f3f8;
	letter-spacing:0.01em;
	scroll-behavior: smooth;
}

@font-face { 
	font-family: 'helvetica'; 
	src: url('src/helvetica.otf') format('truetype'); 
}

@font-face { 
	font-family: 'cmunrm'; 
	src: url('src/cmunrm.ttf') format('truetype'); 
}

a {
	text-decoration:none;
}

h1 {
	font-size:200%;
	font-weight:bold;
}

h2 {
	font-size: 110%;
	font-weight:bold;
}

h3, h4, h5 {
	font-weight:bold;
}

/* --------------------  Navigations Area  -------------------- */

.nav_li_teaching {
	visibility:hidden;
}

#nav_ul {
	position: relative;
	background-color: #fff;
	left:0;
	height: 110px;
	list-style: none;
	border-top: 20px solid #666d73;
	padding-right:107px;
	padding-left:150px;
	top:0;
	margin-bottom:17px;
}

#nav_bg {
	position: relative;
	top:0;
}


#nav_ul li {
	display: inline;
}

.nav_li {
	font-size:120%;
	font-family: 'Tinos', serif;
	float:right;
}

.logo a{
	position:relative;
	font-family: 'Playfair Display', serif;
	font-size:140%;
	color:#303030;
	top:34px;
	color:#000;

	display: inline-block;
 	vertical-align: middle;
  	-webkit-transform: translateZ(0);
  	transform: translateZ(0);
  	box-shadow: 0 0 1px rgba(0, 0, 0, 0);
  	-webkit-backface-visibility: hidden;
  	backface-visibility: hidden;
  	-moz-osx-font-smoothing: grayscale;
  	position: relative;
  	overflow: hidden;
}

.dropdown {
	display: none;
}

img.menuicon, .menupointimg {
  display:none;
}

.nav_li a {
	position:relative;
	padding:41px 40px 41px 40px;
	background-color:#fff;
	color:#000;
	top:0px;
	display: inline-block;
 	vertical-align: middle;
  	-webkit-transform: translateZ(0);
  	transform: translateZ(0);
  	box-shadow: 0 0 1px rgba(0, 0, 0, 0);
  	-webkit-backface-visibility: hidden;
  	backface-visibility: hidden;
  	-moz-osx-font-smoothing: grayscale;
  	position: relative;
  	overflow: hidden;
}

.nav_li a:before {
	content: "";
	position: absolute;
	z-index: -1;
	left: 0;
	right: 100%;
	bottom: 0;
	background: #666d73;
	height: 4px;
	-webkit-transition-property: right;
	transition-property: right;
	-webkit-transition-duration: 0.3s;
	transition-duration: 0.3s;
	-webkit-transition-timing-function: ease-out;
	transition-timing-function: ease-out;
}

.logo a:before {
	content: "";
	position: absolute;
	z-index: -1;
	left: 0;
	right: 100%;
	bottom: 0;
	background: #666d73;
	height: 1px;
	-webkit-transition-property: right;
	transition-property: right;
	-webkit-transition-duration: 0.3s;
	transition-duration: 0.3s;
	-webkit-transition-timing-function: ease-out;
	transition-timing-function: ease-out;
}

.nav_li a:hover:before, .nav_li a:focus:before, .nav_li a:active:before, .logo a:hover:before, .logo a:focus:before, .logo a:active:before {
	right: 0;
}

.nav_li a:hover {
	background-color:#f3f3f3;
}

/* --------------------  Content Area  -------------------- */

#content_wrapper {
	position: relative;
	margin:0 10% 0 10%;
	color:#000;
}

#content {
	overflow: auto;
	background-color:#fff;
	clear:both;
	height: auto;
	border-bottom: 5px solid #666d73;
}

.content_txt {
	margin:0% 385px 0% 5.5%;
	text-align: justify;
	line-height:29px;
	font-size:100%;
	font-family: cmunrm;
}

#content h1 {
	padding-top:40px;
	margin-bottom:20px;
	font-size:140%;
}

.content_img {
	float:right;
}

.content_img_mobile {
	display: none;
}

#content_icon {
	position: relative;
	top:10px;
	margin-right:12px;
}

/* ----------- WORK ---------- */

#works_wrapper {
	position: relative;
	margin:20px 10% 0 10%;
	color:#000;

	background-color:#fff;
	clear:both;
	font-family: cmunrm;
	font-size:110%;
	line-height:33px;
}

#works_content {
	background-color:#fff;
	padding:50px 55px 50px 55px;
	text-align: justify;
	overflow:hidden;
}

#works_1 {
	border-bottom:;
}

.works_headline {
	margin-bottom:50px;
}

.work_ul {
	list-style:none;
	padding-left:0;
	margin-top:30px;
}

.work_ul a {
	color:#000;
	position:relative;
	color:black;
	padding:16px 16px 16px 3px;
	border-radius:15px;
}

.work_ul a:hover {
	background-color:#ebebeb;
}

.work_li {
	display: inline;
	text-align:left;
}

.work_li a {
	color:#000;
	position:relative;
	color:black;
	font-size:87%;
	padding:16px 16px 16px 3px;
	border-radius:5px;
}

.work_li a:hover {
	background-color:#ebebeb;
}

.work_hr {
	margin-top:60px;
	margin-bottom:50px;
	height:5px;
	background-color:#717980;
}

#work_icon {
	position: relative;
	top:2px;
	margin-right: 12px;
	float:left;
}

/* ----------- contacts ---------- */


.contact_info {
	position: relative;
	list-style:none;
	margin:0 0 0px 0;
	padding:0;
	font-size:100%;
	left:9%;
}

.contact_info_inline li {
	display: inline;
	width:40%;
	padding:20px 20px 20px 0px;
	margin-right:10px;
}

.contact_info_inline li:hover {
	background-color:#f0f3f8;
}

.contact_info_inline {
	list-style:none;
	margin:0 0 0 0;
	padding:0;
	font-size:110%;
	display: inline;
}

.contact_icon {
	position: relative;
	top:13px;
	margin-right: 12px;
}

.contact_hr {
	margin-top:60px;
	margin-bottom:50px;
	height:5px;
	background-color:#717980;
	clear:both;
}

.contact_adresse, .contact_adresse_last {
	float:left;
	overflow: auto;
	background-color:#f0f3f8;
	width:35%;
	padding:1% 2% 2% 4%;
	margin-right:20px;
	margin-bottom:10px;
	text-align:left;
}

.contact_adresse_last {
	margin-bottom:60px;
}

#contact_br {
	line-height:50px;
}
/*------------ FOOTER --------- */

#footer_wrapper {
	position: relative;
	margin:20px 10% 0px 10%;
	color:#fff;
	height:120px;
	background-color:#666d73;
	clear:both;
	font-family: cmunrm;
	font-size:100%;
	line-height:33px;
	padding:15px 0 0 0;
}

#footer_ul {
	position:relative;
	list-style:none;
}

.footer_li {
	display:inline;
	padding-right:25px;
}

.footer_li a {
	color:#fff;
	display: inline-block;
 	vertical-align: middle;
  	-webkit-transform: translateZ(0);
  	transform: translateZ(0);
  	-webkit-backface-visibility: hidden;
  	backface-visibility: hidden;
  	-moz-osx-font-smoothing: grayscale;
  	position: relative;
  	overflow: hidden;
  	padding-top:23px;
}

.footer_li a:before {
	content: "";
	position: absolute;
	z-index: -1;
	left: 0;
	right: 100%;
	bottom: 0;
	background: #fff;
	height: 1px;
	-webkit-transition-property: right;
	transition-property: right;
	-webkit-transition-duration: 0.3s;
	transition-duration: 0.3s;
	-webkit-transition-timing-function: ease-out;
	transition-timing-function: ease-out;
}
.footer_li a:hover:before, .footer_li a:focus:before, .footer_li a:active:before {
	right: 0;
}

/* -------------- teaching ---------------- */

table, th, td { 
	border: 1px solid #c7c8c9;
	border-collapse: collapse;
}
table {
	width:100%;
}

th {
	padding: 10px 15px 10px 15px;
}

.teaching_table_body {
	color:#545454; 
	font-size:90%;
}

.teaching_table_body:hover {
	background-color:#f5f5f5;
	color:#000;
}

.teaching_table_head {
	font-size:110%;
	text-decoration: underline;
}
/* -------------- IMPRESSUM ---------------- */

#impressum {
	font-size:90%;
}
/* -------------- CV ---------------- */
#cv_table td{
	border:1px solid #fff;
}

.cv_table_60 {
	position: relative;
	top:5px;
	text-align:left;
	padding-bottom:20px;
}


/* -------------- SCROLL TO TOP ---------------- */

#back-top {
    position: fixed;
    bottom: 30px;
    right: 20px;
    z-index: 3;
    display: none;
}
 
#back-top a {
    width: 40px;
    height: 40px;
    display: block;
    text-align: center;
    font-size: 25px;
    color: #fff;
    background-color: #666d73;  
    border-radius: 5px;
    -moz-border-radius: 5px;
    -webkit-border-radius: 5px;
    -o-border-radius: 5px;
    -ms-border-radius: 5px; 
    transition: background-color .15s;
    -moz-transition: background-color .15s;
    -webkit-transition: background-color .15s;
    -o-transition: background-color .15s;
    -ms-transition: background-color .15s;
}
 
#back-top a:hover {
    text-decoration: none;
    background-color: #000;
}

@media screen and (max-width:1084px) {

	html, body {
		font-size:95%;
	}

	.nav_li a {
		position:relative;
		padding:41px 30px 44px 30px;
		font-size:95%;
	}

		#content_wrapper, #works_wrapper, #footer_wrapper {
		margin-right:0%;
		margin-left:0%;
		font-size:110%;
	} 
}

@media screen and (max-width:1024px) {

	html, body {
		font-size:95%;
	}

	.nav_li a {
		position:relative;
		padding:41px 30px 44px 30px;
		font-size:95%;
	}
}

@media screen and (max-width:1023px) {

	html, body {
		font-size:95%;
	}

	.nav_li a {
		display:none;
	}

	.logo a {
		right:100px;
		top:37px;
		clear:both;
	}

  .dropdown {
  	position:absolute;
    display:block;
    z-index:100;
    top:58px;
    right:0;
  }

  img.menuicon, .menupointimg {
  	position:absolute;
    display:block;
    right:40px;
  }

  .menupoint {
    position: relative;
	display: none;
	top:72px;
	right:7.7px;
    list-style: none;
    background-color:#666d73;
    width: 100%;
    padding:17px 0px 17px 0px;
    text-align:center;
  }

  .menupoint a{
	width: 100%;
    padding:19px 80px 19px 80px;
    color:#fff;
    background-color:#666d73;
  }

  .menupoint:hover, .menupoint a:hover {
  	background-color:#737a81;
  }

}

@media screen and (max-width:794px) {
	html, body {
		font-size:95%;
		line-height:;
	}

	.contact_adresse, .contact_adresse_last {
		width: 50%;
		padding:10px 10% 15px 8%;
		text-align:left;
		margin:20px  auto 20px 5%;
		font-size:90%;

	}

	.content_txt {
		line-height:22px
	}

	.contact_info {
		clear:both;
		left:0;
	}

	.works_headline {
		margin:20px 0 20px auto;
	}

	#works_content {
		padding: 35px 25px 25px 25px;
	}


	#footer_wrapper {
		width: 100%;
	position: relative;
	margin:15px 0% 0px 0%;
	color:#fff;
	height: auto;
	overflow:auto;
	background-color:#666d73;
	clear:both;
	font-family: cmunrm;
	font-size:100%;
	line-height:33px;
	padding:0px 0 0 0;
	}
}

@media screen and (max-width:712px) {
	html, body {
		font-size:95%;
		line-height:
	}


	.works_headline {
		margin:20px 0 20px auto;
	}

	#works_content {
		padding: 20px 28px 20px 26px;

	}

	.content_txt {
		line-height:28px;
		font-size:110%;
	}

	.content_img {
		visibility:none;
		clear:right;
		display: none;
	}

	#works_1 h2 {
		text-align:left;
		line-height:40px;
	}

	.content_img_mobile {
		position: relative;
		display: block;
		  margin-left: auto;
    	margin-right: auto 
	}
	.content_txt {
		margin:0% 7% 5% 5.5%;
	}

	#content h1 {
		padding-top:40px;
		margin-bottom:20px;
		font-size:140%;
	}

	#content_icon {
		position: relative;
		top:10px;
		margin-right:12px;
	}

	#works_wrapper {
    	font-size: 120%;
    }

    .contact_adresse, .contact_adresse_last {
		width: 70%;
		padding:10px 10% 15px 8%;
		text-align:left;
		margin:20px  auto 20px 5%;
		font-size:82%;
	}
	#footer_wrapper {
		height:130px;
	}
}

@media screen and (max-width:579px) {
	html, body {
		font-size:95%;
		line-height:
	}
		#cv_table td{
		border:1px solid #fff;
		display: block;
	}

	.cv_table_60, .cv_table_20 {
		width:100%;
	}

	#cv_table {
		border:0px;
	}

	.mobile_nav {
		top:-7px;
	}

	.work_ul li{
		display:block;
		margin-bottom:15px;
	}

	.contact_adresse {
		font-size:82%;
	}

@media screen and (max-width:473px) {
	html, body {
		font-size:95%;
	}

	.logo a {
    	right: 110px;
    	top: 20px;
   		clear: both;
	}

	img.menuicon, .menupointimg {
  	position:absolute;
    display:block;
    right:20px;
  }
}