A:link { color: blue; }
A:visited { color: #00008B; }
A:active { color: #FF4500; }
A:hover { color: white; background-color: #00008B; text-decoration: underline;
}

H1 { text-align: center;
	color: black;
  border-color: silver; /* 枠の色 */
  padding: 5px 5px 5px 5px; /* 余白の幅 */
  border-bottom-style:double;
  border-top-style:double;
 }

HR {
  color: black; /* 線の色(IE用) */
  background-color: #C0C0C0; /* 線の色(NN用) */
  height: thin; 
  border: thin; /* 枠の太さ */
}

body{
    margin:0px;
    padding:0px;
}
div#main{
    background-color:white;
    overflow:auto;
    height:auto;
    width:600px;
    position:absolute;
    top:0%;
    left:50%;
    margin-top:-00px;
    margin-left:-300px;
}

.bottom{border-top-style:double;
	border-color: silver;
	padding: 5px 5px 5px 5px; /* 余白の幅 */
}