How to customize the size of jCoverflip?

In CSS change height and width

  #wrapper {
        height: 300px;
        width: 665px;
        overflow: hidden;
        position: relative;
        padding-top:90px;
        margin:0px !important;
        background-image:url(/Styles/Home/images/fundoSliderc.png);
      /*  background-repeat:repeat-x;*/
     
      }