.about-brand-column{
  min-height:405px;
}

.about-seal{
  display:block;
  width:min(320px,78%);
  height:auto;
  margin:38px auto 0;
  filter:drop-shadow(0 16px 20px rgba(23,53,45,.12));
}

@media (max-width:800px){
  .about-brand-column{min-height:0;}
  .about-seal{width:min(260px,70%);margin:25px 0 0;}
}