menu {
  min-height: 300px;
  height: 100%;
  margin-right: 20px;
  border-right: 1px solid rgba(0, 0, 0, 0.2);

  .panel_button {
    margin: 8px;
    cursor: pointer;
    transition: margin 0.2s;

    &:hover {
      margin-left: 15px;
    }

    a {
      color: #333333;
    }
  }

  .glyphicon {
    margin: 5px;
  }
}

footer {
  margin-top: 30px;
}
