* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: #1b1f24;
  background: #f6f7f9;
}

.top,
main,
footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

.top {
  padding-top: 16px;
}

.stamp {
  margin: 0 0 6px;
  font-size: 14px;
  color: #4a5360;
  overflow-wrap: anywhere;
}

h1 {
  font-size: 32px;
  line-height: 1.2;
  margin: 24px 0 16px;
}

h2 {
  font-size: 23px;
  line-height: 1.3;
  margin: 0 0 12px;
}

h3 {
  font-size: 18px;
  margin: 24px 0 8px;
}

.lead {
  font-size: 19px;
}

section {
  background: #ffffff;
  border: 1px solid #dde1e6;
  border-radius: 8px;
  padding: 22px 22px 14px;
  margin: 22px 0;
}

ul,
ol {
  padding-left: 22px;
}

li {
  margin-bottom: 8px;
  overflow-wrap: anywhere;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 12px;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 9px 10px;
  border-bottom: 1px solid #dde1e6;
}

th {
  background: #eef1f4;
}

td:first-child {
  width: 34%;
  font-weight: 600;
}

.offer {
  border-color: #1f4fbf;
  border-width: 2px;
}

.price {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.buy {
  display: inline-block;
  background: #1f4fbf;
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  padding: 13px 20px;
  border-radius: 6px;
}

.buy:hover,
.buy:focus {
  background: #173c93;
}

.small {
  font-size: 15px;
  color: #4a5360;
}

.sources li,
.disclosures li {
  font-size: 15px;
}

footer {
  padding-top: 4px;
  padding-bottom: 32px;
  font-size: 14px;
  color: #4a5360;
}

@media (max-width: 520px) {
  body {
    font-size: 16px;
  }

  h1 {
    font-size: 26px;
  }

  section {
    padding: 16px 16px 10px;
  }
}