body > section {
  padding-bottom: 50px;
}
body > section > h1 {
  margin-bottom: 30px;
}
body > nav > a:hover {
  width: auto;
}
#lectures > section .label,
#lectures > section .references,
#lectures > section .slides {
  width: auto;
}
#assignments .solutions,
#assignments .submit {
  margin-top: 10px;
}
#assignments .solutions strong,
#assignments .submit strong {
  display: inline-block;
  margin-right: 5px;
}
#assignments .submit {
  text-align: left;
}
#assignments .submit .icon {
  display: inline-block;
}
#assignments .submit .icon::before {
  font-size: 16px;
}
#this-week {
  width: 600px;
}
#this-week section {
  width: 220px;
}