.designcanvas {
    width: 2200px;
    /*min-width: 1000px;*/
    float: left;
    height: 700px;
    overflow-y: scroll;
    overflow-x: scroll;
    background-image: url('https://yobeach.applicazioni.trecentosoftware.it/web/images/Standard.png');
    background-repeat: no-repeat;
    /*background-attachment: fixed;*/
}

    .designcanvas img {
        width: 100%;
        height: 100%;
    }