body, html {
  height: 100%;
  background-color: #92be94;
  font-family: Arial, sans-serif;
  line-height: 140%;
  font-size: 16px;
  color: #3b433b;
}

a {
  color: #ac2f5e;
}

#outer {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: visible;
}
#outer[id] {
  display: table;
  position: static;
}

#middle {
  position: absolute;
  width: 100%;
  top: 50%
  text-align: center;;
}
#middle[id] {
  display: table-cell;
  vertical-align: middle;
  position: static;
}

#inner {
  position: relative;
  width: 900px;
  height: 650px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
  background: url(background.jpg);
}
/* optional:
#inner[id] {
  position: static;
} */

#inner2 {
  padding-left: 80px;
  padding-right: 60px;
}

ul.projekte {
  padding: 0px;
  list-style-type: none;
}

ul.projekte li {
  margin-top: 20px;
  background-color: #83cf86;
  padding: 12px;
  border: 3px solid white;
}

ul.projekte td {
  vertical-align: top;
}