/* Set gray background color and 100% height */
.sidenav {
  background-color: #f1f1f1;
  height: 100%;
}

/* Set black background color, white text and some padding */
footer {
  background-color: #555;
  color: white;
  padding: 15px;
}

/* On small screens, set height to 'auto' for sidenav and grid */
@media screen and (max-width: 767px) {
  .sidenav {
    height: auto;
    padding: 15px;
  }
  .row.content {height: auto;} 
}

.note {
  color: green;
  font-weight: 700;
}