/**
 * Header menu dropdown: show only after ~300ms hover (avoids opening when mouse passes through).
 * Upload this file to your server; no npm build required.
 */
.header .nav-main-menu .main-menu li ul {
  transition: opacity 0.15s ease 0s, visibility 0s linear 0.15s;
}
.header .nav-main-menu .main-menu li:hover > ul {
  transition: opacity 0.15s ease 0.3s, visibility 0s linear 0.3s;
}