html,body {
  line-height: 1.5em;
  background-color:#fff;
}

h1 {
  line-height: 1.5em;
  text-align: center;
}

body {
  text-align: center;
}

#content {
  width: 90%;
  margin: 0 auto;
  text-align: justify;
  padding:10px 0;
}

table {
  background-color: #ccc;
}
th {
  padding:5px;
  background-color: #eee;
  text-align: center;
}
td {
  background-color: white;
  padding:3px;
  text-align: center;
}
caption {
  font-weight: bold;
  text-align: right;
  padding:5px 0;
}
.back_main_page {
	font-size: small;
}