body {
  margin: 0;
  background: #002b51;
  font-family: 'MetaWeb', sans-serif;
}

.start {
  position: relative;
  margin: 10% auto;
  width: 300px;
  height: 140px;
  background: transparent url('https://www.harz-hallen.de/assets/img/logo.svg') no-repeat center top;
  background-size: contain;
}

.button {
  display: block;
  position: absolute;
  bottom: 0;
  left: 50%;
  margin-left: -65px;
  width: 130px;
  background-color: #40607d;
  color: #ffffff;
  border: none;
  border-radius: 5px;
  text-align: center;
  cursor: pointer;
  padding: 8px 0;
  transition: 0.3s;
  text-decoration: none;
}

.button:hover,
.button:focus {
  background: #333333;
}