#maincontent.publisher {
  box-sizing: border-box;
  padding: 12.5% 10% 0;
  padding: 10em 8em 10em 9em;
  
  text-align: center;
}

.publisher img {
  max-width: 50%;
  
  margin-bottom: 2em;
  
  border-radius: 1em;
  border: 1px solid silver;
}