body {
  background-color: aliceblue;
  color: black;
  margin-left: 2em;
}
.contents {
  width:  680px;
}
h1 {
  width:  730px;
  color: #003366;
  font-size: 1.5em;
  font-family: "ＭＳ Ｐ明朝",平成明朝,serif;
  background-color: #cccccc;
  padding-top: 0.3em;
  padding-bottom: 0.2em;
  border-color: #6600ff;
  border-style: solid;
  border-width: 5px;
  padding-left: 1.5em;
}
h2 {
  width:  730px;
  font-size: 1.2em;
  font family: Verdana;
  border-color: green;
  border-style: double;
  border-width: 4px;
  padding-top: 0.2em;
  padding-bottom: 0.2em;
  padding-left: 2em;
  clear: both;
}
em {
  font-weight: bold;
  background-color: yellow;
  font-style: normal;
}
p {
  line-height: 1.7em;
}
a:link {
  font-weight: bold;
  color: #0000ff;
}
a:visited {
  font-weight: bold;
  color: darkviolet;
}
a:hover {
  color: firebrick;
  background-color: skyblue;
}
table, th, td{
  font-size: 95%;
  line-height: 1.6em;
}