.vertical-menu {
  width: 100%; /* Set a width if you like */
  background-color:#89b827;
}

.vertical-menu a {
  background-color: #89b827; /* Grey background color */
  color: #fff; /* Black text color */
  display: block; /* Make the links appear below each other */
  padding: 14px; /* Add some padding */
  text-decoration: none; /* Remove underline from links */
  border-bottom:1px solid #fff;
  text-transform: uppercase;

}

.vertical-menu a:hover {
  background-color: #eee; /* Dark grey background on mouse-over */
  color: #000;
}

.vertical-menu a.active {
  background-color: #eee; /* Add a green color to the "active/current" link */
  color: #000;
}