radial gradient

radial gradient in css3

HTML

<div class="box"></div>

CSS

.box {
    width: 320px;
    height: 480px;
    background-color: #cc3333;
    background: -webkit-radial-gradient(top, ellipse contain, rgba(204,153,153,1) 30%,rgba(204,51,51,1) 100%);
}