.back-n {  background-image : url(back_news.gif); background-repeat: repeat-y;}
.back-g {  background-repeat: repeat-y ;
background-color : #fffaf7;
}
.back-k { background-image : url(back_kankou.gif); background-repeat: repeat-y ;}
.back-i { background-image : url(back_ivent.gif); background-repeat: repeat-y ;}
.back-spon { background-image : url(back_s.gif); background-repeat: repeat-y ;}
.back-sho { background-image : url(../top-img/img-top/sh_back.jpg); background-repeat: repeat-y ;}
.back-to { background-image : url(back_topics.gif); background-repeat: repeat-y;}