body {
    background-image: url(../images/hoshizora.gif);
  }
  
  .topexplain {
    text-align: center;
    color: rgb(204, 255, 255);
  }
  
  #main {
    text-align:center;
  }
  
  #main a {
      color : #f0f0f0;
      text-decoration : underline
  }
  
  #footer {
      text-align:center;
      color: rgb(204, 255, 255);
  }
  
  #footer a {
      text-decoration : underline
  }
  
  #footer a:visited {
        color : #f0f0f0;
  }

  

  /* page */

.page_body {
    background-color: white;
    background-image: none;
}

.page_topexplain {
  text-align: center;
}

#page_header {
  text-align:center;
}

#page_main {
  text-align:center;
}

#page_main a {
    color : #000;
    text-decoration : underline;
}

#page_footer {
    text-align:center;
    color: rgb(204, 255, 255);
}

#page_footer a {
    text-decoration : underline;
  color: #0000ff;
}

#page_footer a:visited {
      color : #0000ff;
}