ul.f-accordion-menu li {
  position: relative;
}
ul.f-accordion-menu > li ul,
ul.f-accordion-menu > li:hover ul {
  display: none;
}

.f-accordion-menu li:hover > .accordion-open {
  color: #127983;
}

.f-accordion-menu > li .accordion-open {
  position: absolute;
  right: 10px;
  top: 13px;
  color: black;
  width: 25px;
  font-size: 3em;
  height: 24px;
  line-height: 50%;
  opacity: .7;
  cursor: pointer;
}
.accordion-open:hover {
  opacity: 1;
}