/* About portrait + signature — shared by homepage and About page. */
.about-portrait{
  margin:0;
  align-self:center;
  justify-self:center;
  width:100%;
  max-width:360px;
}
.about-portrait .portrait{
  display:block;
  width:100%;
  max-width:360px;
  height:auto;
  margin:0 auto;
}
.about-portrait .signature{
  display:block;
  width:170px;
  max-width:52%;
  height:auto;
  margin:18px auto 0;
}

@media(max-width:900px){
  .about-portrait{
    max-width:320px;
    margin:8px auto 0;
  }
  .about-portrait .portrait{max-width:320px}
  .about-portrait .signature{width:155px}
}