<ul id="sanpham">
  <li>Sản phẩm 1</li>
  <li>Sản phẩm 2</li>
  <li>Sản phẩm 3</li>
</ul>

<ul id="social">
  <li>Facebook</li>
  <li>Twitter</li>
  <li>Google+</li>
</ul>
#sanpham li {
  color: red;
  list-style-type: square;
}
Run Pen

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.