.cycle-rental-form {
  border: 1px solid #ddd;
  padding: 15px;
  border-radius: 8px;
  margin-top: 15px;
  background: #f9f9f9;
}
.cycle-rental-form h4 {
  margin-top: 0;
}
.cycle-rental-form label {
  display: block;
  margin-bottom: 8px;
}
.cycle-rental-form select, 
.cycle-rental-form input {
  margin-top: 3px;
  padding: 6px;
  width: 100%;
  max-width: 300px;
}
.cycle-rental-form .rental-summary {
  margin-top: 10px;
  font-weight: 600;
}