body { margin-left: 50px; margin-right: 50px; padding:10px;}

#intro{
 width:900px;
 margin-left: 50px;
 font-weight:bold;
 font-size:18px;
}

#container{
 width:920px;
 margin-left: 30px;
}

#rightBox{
  margin-left: 800px;
  float : left ;
  width : 100px ;
}

#centerBox{
 margin-left: 510px;
}

#leftBox{
 margin-left: 10px;
  float : left ;
  width : 900px ;
}

.r{
  text-align :right;
}
.title{
 font-size : 20px;
 font-weight:bold;
}

.title2{
 font-size : 25px;
 font-weight:bold;
}

.title3{
 font-size : 20px;
}

.b{
 font-weight:bold;
}

.jisage{
 padding-left:1em;
}

.jisage2{
 padding-left:1em;
 text-indent:-1em;
}