.payment-wrapper {
  width: 400px;
  height: 500px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -250px 0 0 -200px;
}

.payment-header {
  margin: 0 0 20px 0;
  text-align: center;
}

.payment-viewport {
  min-width: 400px;
  min-height: 500px;
  height: 100%;
  position: relative;
}

.payment-form {

}

.payment-form table {
  width: 100%;
}

.payment-form th {
  font-weight: bold;
  background: #f3f3f3;
  padding: 8px 10px;
  line-height: 20px;
}

.payment-form td {
  padding: 8px 10px;
  line-height: 20px;
}

.payment-form .messages {
  margin-top: 10px;
}