.main-container {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: 250px;
  flex-shrink: 0;
  background-color: #f8f9fa;
  height: 100vh;
  overflow-y: auto;
  position: fixed;
}

.content {
  flex-grow: 1;
  overflow-y: auto;
  height: 100vh;
  padding: 20px;
}

@media (min-width: 768px) { /* md breakpoint */
  .content {
    margin-left: 250px; /* Same as sidebar width */
  }
}