html {
  font-size: 100%;
}
body {
  width: 90%;
  margin-left: 5%;
}
hr {
  height: 5px;
  border: none;
  background-color: #CCC;
}
table {
  margin: auto;
  border: 1px solid;
  border-collapse:collapse;
}
th {
  border: 1px solid;
  text-align: center;
  padding: 2px;
}
td {
  border: 1px solid;
  text-align: left;
  padding: 2px;
}
.gray-box {
  background-color: #EEE;
  border: 1px solid;
  border-color: #777;
  padding: 5px;
  margin: 5px;
}
.white-box {
  background-color: #FFF;
  border: 1px solid;
  border-color: #777;
  padding: 5px;
  margin: 5px;
}
.inner-box {
  white-space: nowrap;
  overflow-x: scroll;
  border: solid 1px;
  border-color: #777;
  margin: 10px;
  padding: 2px;
}
.note {
  font-size: 0.85rem;
}