.merkfeld_bild_l {float: left; margin-right: 10px;}

div.merkfeld {
  background-color: #FEF0CA;
  width: 80%;
  margin-left: 9.5%;
  line-height: 1.5em;
  padding: 10px;
  margin-top: 12px;
  margin-bottom: 12px;
}
div.merkfeld h1 {
  font-weight: bold;
  font-size: 100%;
  line-height: 1.5em;
}