/* Füge hier Dein eigenes CSS ein */
. mietpark {
  position: relative !important;
  margin-left: 20px !important;
  top: 20px !important;
  width: 600px !important;
  height: 150px !important;
  float: left !important;
  background-color: silver !important;
}
.mcontent{
  position: relative;
  margin-left: 20px;
  top: 20px;
  width: 200px;
  height: 150px;
  float: left;
  background-color: green;
}

.lol {
background: red;
width: 200px;
}