#resumeBack {
   background-image: url("http://jansoncross.com/3th/images/gallery/resume/resume_janson_cross.jpg"); /* add semicolon here*/      
   background-repeat: no-repeat;
   background-attachment: fixed;
   background-position:center center;
   width:325px;           /*add width*/
   height:420px;          /*add height*/
 }