.ecz-menu-right {
  position: fixed;
  z-index: 999;
  height: 100vh;
  display: flex;
  align-items: center;
  right: 0;
  padding: 10px;
}

.ecz-menu-right ul {
  padding: 0;
  margin: 0;
}

.ecz-menu-right ul li {
  list-style-type: none;
  writing-mode: vertical-rl;
  margin: 30px 0;
}

.ecz-menu-right ul li a {
  display: block;
  margin: 10px 0;
  color: #999;
}

.ecz-menu-right ul li.active {
  border-right: 1px solid #ddd;
  border-left: 1px solid #ddd;
}