.impressum {
  max-width: 600px;
  margin: 2rem auto;
  padding: 1rem;
  background: #fff;
  color: #1d1b1a;
   font-size: 0.9rem; 
  line-height: 1.6;   
}

.impressum ul {
  list-style: none;
  padding-left: 0;
   margin-bottom: 1.5rem;

}

html, body {
  display: flex;
  flex-direction: column;
  height: 100%;
}
main {
  flex: 1;
}
.impressum ul {
  list-style: none;      
  padding-left: 0;
}

html {
  font-size: 16px; 
}


.impressum p {
  margin-bottom: 1rem;
}


.impressum li {
  margin-bottom: 0.75rem;
}

.impressum h1,
.impressum h2 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}