body {
  font-size: 14px;
  background-color: #eee;
}

.contents {
  width: 700px;
  margin: 20px auto;
}

.title {
  font-weight: bold;
  font-size: 18px;
  color: #fff;
  background-image: linear-gradient(#34495e, rgba(52, 73, 94, 0.9), #34495e);
  text-align: center;
  padding: 10px;
  border-radius: 5px;
}

.card {
  margin-top: 15px;
}

.card-header {
  font-weight: bold;
}

.required::after {
  content: '\00B7';
  position: absolute;
  top: -3px;
  margin-left: 5px;
  color: #f60;
  font-size: 20px;
}

.custom-radio {
  vertical-align: -webkit-baseline-middle;
}

label.col-form-label {
  font-weight: bold;
}