body {
    max-width: 500px;
    _width: 500px;
    padding: 0;
    border: 1px solid #b3b3b3;
    border-radius: 4px;
    margin: 0 auto;
    box-shadow: 0 1px 10px #a7a7a7, inset 0 1px 0 #fff;
    /* IE10 */
    background-image: -ms-linear-gradient(top right, #FFFFFF 0%, #bae3fa 100%);

    /* Mozilla Firefox */
    background-image: -moz-linear-gradient(top right, #FFFFFF 0%, #bae3fa 100%);
     
    /* Opera */
    background-image: -o-linear-gradient(top right, #FFFFFF 0%, #bae3fa 100%);
     
    /* Webkit (Safari/Chrome 10) */
    background-image: -webkit-gradient(linear, right top, left bottom, color-stop(0, #FFFFFF), color-stop(1, #bae3fa));
     
    /* Webkit (Chrome 11+) */
    background-image: -webkit-linear-gradient(top right, #FFFFFF 0%, #bae3fa 100%);
     
    /* Regola standard */
    background-image: linear-gradient(to top right, #FFFFFF 0%, #bae3fa 100%);
}
div.container {
    background-color: none;
    background-image: url('https://siti.accmed.org/img/cicogna.svg');
    background-size: contain;
    background-position: bottom right;
    background-repeat: no-repeat;
    text-align:center;
    margin: 0;
    padding: 2em;
    max-width:100%;
    }