CSS

css last child

li:last-child {
    background-color: lime;
}

css selector excluding last child

li:not(:last-child)

last child after css

menu > li {
  display: inline;
}

menu > li::after {
  content: ' | ';
}

menu > li:last-child::after {
  content: '';
}

selecting last child css

p:last-child {
  font-size: 0.75em;
}

css last child with class

/*This will only work if the last child of someEID has 
the class .myclassName 
if the last child does not have class name us js*/
#someEID .myClassName:last-child {
    background: blue;
}

css selector last child

li:last-child {
  background-color: lime;
}

last child after css

<menu>
  <li><a href="/member/profile">Profile</a></li>
  <li><a href="/member/options">Options</a></li>
  <li><a href="/member/logout">Logout</a></li>
</menu>