body {
  font-family: "Roboto", "Arial", sans-serif;
  background-color: #eee;
}

.main_area {
  width: 500px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.main_picture {
  width: 500px;
  height: 300px;
  background-image: url('baustellenlogo.svg');
}

.main_text {
  margin-top: 25px;
  font-size: 1.6em;
  color: #b21b31;
  text-align: center;
}

@media (max-width: 600px) {
  .main_area {
    width: calc(100% - 32px);
    position: static;
    transform: none;
    margin: 32px auto;
  }

  .main_picture {
    width: 100%;
    height: 0;
    padding-bottom: 60%;
  }

  .main_text {
    font-size: 1.2em;
    margin-top: 16px;
  }
}