.menu-link {
  position: relative;
  cursor: pointer;
}

.menu-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background-color: #C75450; /* вот здесь цвет линии */
  transition: width 0.3s ease;
}

.menu-link:hover::after {
  width: 100%;
}
