* {
  margin: 0;
  padding: 0;
  background-color: #E9FBFD;
  text-align: center;
}

h1 {
  font-family: 'Roboto', sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  color: #800000;
  margin: 20px 0;
  font-size: 38px;
}

img {
  height: 450px;
  margin: 5px;
  border-radius: 15px;
}

img:hover {
  filter: grayscale(100%);
  transition: all 600ms;
}

.last_1, .last_2 {
  margin-bottom: 30px;
}

a {
  font-family: 'Roboto Slab', serif;
  text-decoration: none;
  color: #800000;
  font-size: 22px;
  padding-bottom: 30px;
}


@media screen and (max-width: 830px) {
  .quer {
    width: 95%;
    height: auto;
  }

  .hoch {
    width: 95%;
    height: auto;
  }

  .last_1, .last_2 {
    width: 95%;
    height: auto;
    margin: 5px;
  }

  .quadratisch {
  	width: 95%;
    height: auto;   
  }
}