How to make a circle around a letter?

Question

I need to make a small circle background behind the letter "A". What CSS would make this effect?

See example:

Answer 1

With CSS? Something like this? http://jsfiddle.net/eLhqswyd/

<span class="i-circle">i</span>

.i-circle {
    background: #ff0000;
    color: #fff;
    padding: 5px 20px;
    border-radius: 50%;
    font-size: 35px;
}