Change Menu Bar Colour

[admin]

Use this. If you need to change the width then the left property should be width + 21.

Code:

.trends .sidebar-menu {
  width: 300px;
}
.trends .content {
  left: 321px;
}
@media (max-width: 1279px) {
  .trends .content {
    left: 0;
  }
}