.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 36px 20px 56px;
}

.post,
.not-found {
  background: #fff;
  border: 1px solid #dbe4ef;
  border-radius: 12px;
  padding: 20px;
}

.back,
.not-found a {
  color: #0f4c81;
  text-decoration: none;
}

h1 {
  margin: 8px 0 10px;
}

.excerpt {
  margin: 0 0 14px;
  color: #46607f;
}

.content {
  color: #233d5a;
  white-space: pre-wrap;
  line-height: 1.7;
}

.not-found p {
  color: #46607f;
}