.themed-grid-col {
  padding-top: .75rem;
  padding-bottom: .75rem;
  background-color: rgba(86, 61, 124, .15);
  border: 1px solid rgba(86, 61, 124, .2);
}

.themed-container {
  padding: .75rem;
  margin-bottom: 1.5rem;
  background-color: rgba(0, 123, 255, .15);
  border: 1px solid rgba(0, 123, 255, .2);
}

.sidebar {
  width: 180px;
}

@media (min-width: 768px) {
  .main {
    padding-right: 40px;
    padding-left: 220px; /* 180 + 40 */
  }
}