nav ul {
  display: flex;
  align-items: center;
}

nav ul li:first-child {
  flex-grow: 1;
}

nav ul li:not(:first-child) a {
  margin-left: 1em;
  font-style: italic;
  font-weight: bold;
  box-shadow: inset 0 -0.15em 0 var(--primary);
  --slnt: "slnt" -10;
}