CodePen Embed - Seletores

<div>
  <img src="https://placeimg.com/100/100/arch" alt="" />
  <img src="https://placeimg.com/100/100/nature" alt="" />
  <img src="https://placeimg.com/100/100/tech" alt="" />
  <img src="https://placeimg.com/100/100/animals" alt="" />

</div>

div img{
  border:2px solid black;
}

div img:last-child {
  border:2px solid red;
}

This Pen is owned by David CHC on CodePen.

See more by @davidchc on CodePen

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.