* {
  margin: 0;
  padding: 0;
}
.wrapper {
  margin-left: 400px;
  width: 920px;
  padding: 20px;
}
.wrapper .wrapper_title {
  font-size: 36px;
  text-align: center;
  margin-bottom: 40px;
}
.wrapper a {
  color: #1074ff;
  text-decoration: none;
}
.wrapper strong,
.wrapper p {
  line-height: 26px;
}
.wrapper p {
  padding: 5px;
  text-align: left;
}
.wrapper h1 {
  font-size: 26px;
  margin: 16px 0;
}
.wrapper h2 {
  font-size: 22px;
  margin: 16px 0;
}
.wrapper h3 {
  font-size: 20px;
  margin: 16px 0;
}
.wrapper h4 {
  font-size: 18px;
  margin: 13px 0;
}
.wrapper img {
  width: 80%;
}
.wrapper .table table {
  border-collapse: collapse;
}
.wrapper .table td {
  font-size: 14px;
}
.wrapper .table td,
.wrapper .table th {
  border: 1px solid #dee0e3;
  text-align: center;
  padding: 10px 20px;
}
.wrapper .table th {
  background-color: #e67269;
  color: white;
  font-weight: 400;
}
.wrapper .table .nt {
  border-top: none;
}
.wrapper .table .nb {
  border-bottom: none;
}
.wrapper .table .nl {
  border-left: none;
}
.wrapper .table .nr {
  border-right: none;
}
.nav {
  width: 300px;
  padding: 20px;
  font-size: 14px;
  background-color: white;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
}
.nav div {
  padding: 5px 0;
  cursor: pointer;
}
.nav a {
  color: #666;
  text-decoration: none;
}
.active {
  color: #1074ff !important;
}
html {
  scroll-behavior: smooth;
}