CSS how to place an image to the right of variable width text on roll over?

Question

I have a menu of text with variable widths eg:

Home
Services
About Us
Contact

How can I position an image to the right of the different width text on hover in css? Is it possible without using a fixed width?

Home
Services •
About Us
Contact

or

Home
Services
About Us
Contact •

Answer 1

Live demo http://tinkerbin.com/RrRtqfVf

Do this one

HTML

<ul>
  <li>Hello</li>
  <li>Hello</li>
  <li>Hello</li>
  <li>Hello</li>
  <li>Hello</li>
  <li>Hello</li>
  <li>Hello</li>

</ul>

Css

    ul{
list-style:none;

}
li{
position:relative;
  float:left;
  clear:left;
  margin-top:10px;
}
li:hover:after{
content:'';
  background:red;
  position:absolute;
  right:-20px;
  top:5px;
  width:10px;
  height:10px;
}

Demo