body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 600px;
  margin: 50px auto;
  padding: 20px;
  background-color: #fff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
}

h3 {
  color: #333;
  margin-bottom: 15px;
  border-bottom: 2px solid #f4f4f4;
  padding-bottom: 5px;
}

.field {
  margin-bottom: 20px;
}

.field label {
  display: block;
  color: #666;
  margin-bottom: 5px;
  font-size: 1.3em;
  font-weight: bold;
}

.field input,
.field select,
.field textarea {
  width: calc(100% - 22px);
  padding: 15px;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 18px;
  transition: border-color 0.3s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: #007bff;
}

.field input[type="radio"],
.field input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-right: 10px;
  accent-color: #d9534f;
}

.field input[type="radio"]:checked,
.field input[type="checkbox"]:checked {
  accent-color: #28a745;
}

.field input[type="checkbox"]:checked::before {
  content: '✔';
  color: white;
  display: inline-block;
  text-align: center;
  width: 20px;
  height: 20px;
  line-height: 20px;
}

.btn-group {
  text-align: right;
}

.btn-submit {
  padding: 15px 30px;
  background-color: #28a745;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
}

.btn-submit:hover {
  background-color: #218838;
}

.error {
  color: #d9534f;
  margin-top: 5px;
}

.hidden {
  display: none;
}

.donation-success {
  text-align: center;
}

#recurring {
  width: 30px;
  height: 30px;
  position: relative;
}

#recurring + label {
  font-size: 1.3em;
  font-weight: bold;
}

#recurring:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  background-color: #d9534f;
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 4px;
}

#recurring:checked:before {
  background-color: #28a745;
}

#recurring:checked::before {
  content: '✔';
  color: white;
  display: inline-block;
  text-align: center;
  width: 30px;
  height: 30px;
  line-height: 30px;
  font-size: 1.3em;
}