nav ul.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}
nav ul.nav-list li {
  position: relative;
  margin-right: 20px;
}
.submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  border-radius: 4px;
  min-width: 120px;
  z-index: 100;
}
.submenu li {
  margin: 0;
  padding: 0;
  height: 40px;
}
.submenu li:nth-child(1){
  padding-top: 5px;
}
.submenu li a {
  white-space: nowrap;
  height: 40px;
  line-height: 40px;
}
.has-dropdown:hover .submenu {
  display: block;
}