.ch-course { max-width: 980px; }
.ch-course .ch-meta {
  padding: 12px;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  margin-bottom: 16px;
  background: #fff;
}
.ch-course h2 { margin-top: 18px; }
.ch-course p { line-height: 1.7; }
.ch-course ul { padding-left: 18px; }
.ch-course .ch-enroll-btn {
  display:inline-block;
  padding:12px 16px;
  border-radius:12px;
  text-decoration:none;
  border:1px solid #111;
}