Highlight div box on hover

Question

Say I have a div with the following attributes:

.box {
  width: 300px;
  height: 67px;
  margin-bottom: 15px;
}

How would I make it so that if

Answer 1

.box:hover {
    background: #999;
    cursor: pointer;
}

When you hover the background changes to the color you want and cursor becomes pointer. You can trigger an event with jQuery like so:

$('.box').click(customFunction);