How to animate an element on hover

Question

How can I make my

elements grow (and the content changes text size to a higher one), when hovered over? I put them in a class and tried:

<         


        

Answer 1

CSS3 solution:

div {
    background: #999;
    width: 200px;
    height: 20px; 
    transition: width 1s;
}

div:hover{
    width: 300px;
}

    
Im content

http://jsfiddle.net/MrdvW/