html, body {
margin:0px;
padding:0px;
background-color: #90EE90;
background-image: url(images/hintergrund_links.png);
background-repeat:repeat-y; 
border:none;
}
#top_section {
background-color: #2db180;
background-image: url(images/Banner.png);
background-repeat:no-repeat;
height: 100px;
margin:0px;
padding:0px;
}
#main_section {
margin:0px;
padding:0px;
}
#content {
margin-left:180px;
margin-right:0px;
border-top:double 5px orange;
padding:0px;
}
#nav_content {
position:fixed
}
h1,h2,h3,p,p1,ul,ol;,table {
margin-left:20px;
margin-right:20px;
font-family:"Malgun Gothic Semilight"
}
h3 {
font-weight: normal;
font-style: normal;
font-size:110%;
margin-left:30px;
margin-right:50px; 
}
h1 {
font-weight: bold;
font-style: normal;
font-size:140%;
margin-left:30px;
margin-right:50px; 
}
h2 {
font-weight: bold;
font-style: normal;
font-size:120%;
margin-left:30px;
margin-right:50px; 
}
p {
text-align: justify;
font-weight: normal;
font-style:normal;
font-size:110%;
margin-left:30px;
margin-right:50px;
color:black;
}
#navigation {
position: absolute;
left:30px;
width: 110px;
font-family:"Malgun Gothic Semilight" 
font-weight:semi-bold;
font-size:110%;
}
a.navi, a.navi_first{
display:block
}
a:link {
text-decoration:none;
color:black;
}
a:visited {
text-decoration:none;
color:black;
}
a:hover {
text-decoration:none;
color:blue;
}
a.navi_2{
font-weight: normal
}
#main_window {
  position: absolute;
  background-color: #dbe0ba;
  top: 190px;
  left: 20%;
  width: 55%;
  height: 125%;
  border-left: 5px double orange;
}
#main_window_1 {
  position: absolute;
  background-color: #dbe0ba;
  top: 190px;
  left: 20%;
  width: 55%;
  height: 110%;
  border-left: 5px double orange;
}
#main_window_2 {
  position: absolute;
  background-color: #dbe0ba;
  top: 190px;
  left: 20%;
  width: 55%;
  height: 130%;
  border-left: 5px double orange;
}
#main_window_3 {
  position: absolute;
  background-color: #dbe0ba;
  top: 190px;
  left: 20%;
  width: 55%;
  height: 103%;
  border-left: 5px double orange;
}
#main_window_content {
height:100%;
width:100%;
}
#main_window_content_2 {
height:130%;
width:100&;
}
#main_window_content_3 {
height:92%;
width:100%;
overflow:scroll;
}
#window_1 {
  position: absolute;
  background-color: #54FF9F;
  top: 180px;
  left: 300px;
  width: 370px;
  height: 370px;
  border-left: 5px double orange;
  }
#window_2 {
  position: absolute;
  background-color: #FA8072;
  top: 230px;
  left: 840px;
  width: 410px;
  height: 460px;
  border-left: 5px double orange;
  }
#window_3 {
  position: absolute;
  background-color: #FF8247;
  top: 620px;
  left: 470px;
  width: 300px;
  height: 380px;
  margin-bottom: 60px;
  border-left: 5px double orange;
  }
#nav_window {
  position: absolute;
  background-color:#6ee3be;
  top: 190px;
  left: 82%;
  width: 13%;
  height: 120%;
  border-left: 5px double orange;
}
#nav_window_1 {
  position: absolute;
  background-color:#6ee3be;
  top: 190px;
  left: 82%;
  width: 13%;
  height: 110%;
  border-left: 5px double orange;
}
#nav_window_2 {
  position: absolute;
  background-color:#6ee3be;
  top: 190px;
  left: 82%;
  width: 13%;
  height: 130%;
  border-left: 5px double orange;
}
#nav_window_3 {
  position: absolute;
  background-color:#6ee3be;
  top: 190px;
  left: 82%;
  width: 13%;
  height: 105%;
  border-left: 5px double orange;
}
#nav_window_content {
  padding: 10%;
  height: 100%;
  width: 100%;
}