adding search icon to input box

Answer 1

There's a step by step on kirupa.com here: http://www.kirupa.com/html5/creating_an_awesome_search_box.htm

With relevant bit of CSS for you here:

input[type=text] {
    width: 260px;
    padding: 5px;
    padding-right: 40px;
    outline: none;
    border: 2px solid #999999;
    border-radius: 5px;
    background-color: #FBFBFB;
    font-family: Cambria, Cochin, Georgia, serif;
    font-size: 16px;
    background-position: 270px -10px;
    background-image: url('http://www.kirupa.com/images/search.png');
    background-repeat: no-repeat;
}