body {
  color: #ffffff;
}
#sidebar {
  background-color: #009174;
  margin: 0%;
  padding: 3%;
  border: 0;
  width: 22%;
  float: right;
  }
  /* Breite insgesamt 22 + 6 = 28% */

  main {
    background-color: #3bedb4;
    margin: 0%;
    padding: 3%;
    border: 0;
    width: 66%;
    float: left;
  }

  /* Breite insgesamt: 66% + 3% + 3% = 72% */

  footer {
    background-color: #3d3f3e;
    margin: 0%;
    padding: 3%
  }

  .clear {
    clear: both;
  }