body {
  margin: 0;
  background: linear-gradient(180deg, #e6ecee, #edf9ff);
  min-height: 100vh;
}

.title {
  width: 800px;
  height: 100px;
  background: linear-gradient(180deg, #fff, #99e9ff);
  margin-left: 140px;
  font-size: 30px;
  text-align: center;
}

.main {
  width: 720px;
  height: auto;
  min-height: 900px;
  padding: 40px;
  padding-bottom: 90px;
  background: #fff;
  margin-left: 140px;
  margin-bottom: 140px;
  margin-top: 40px;
  font-size: 20px;
  text-align: center;
  border-radius: 10px;
}

.main p, .main h1, .main h2, .main h3, .main h4, .main h5, .main label, .main a {
  margin-bottom: 64px;
}

.main a {
  color: dodgerblue;
}

.main a :hover {
  color: crimson;
}

h6 {
  text-align: center;
  font-size: 15px;
}

.credit {
  max-height: 200px;
  overflow-y: auto;
  padding: 20px;
  background: #f0f0f0;
}

#downloadBtn {
  width: 150px;
  height: 60px;
  background: #fff;
  font-size: 20px;
  text-align: center;
  border-radius: 10px;
}

#downloadBtn.enabled {
  background: lightblue;
}

.ireadcredit {
  opacity: 0.5;
  pointer-events: none;
}

.ireadcredit.enabled {
  opacity: 1;
  pointer-events: auto;
}

.ireadcredit input[type="checkbox"] {
  transform: scale(1.6);
}