* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  font-size: 16px;
  color: #242424;
  background: #fff;
}

.container {
  max-width: 480px;
  margin: 60px auto;
  padding: 0 20px;
}

.checkbox-group {
  border: 1px solid #d0d5dd;
  border-radius: 8px;
  padding: 20px;
}

.checkbox-group legend {
  font-size: 20px;
  font-weight: 600;
  padding: 0 8px;
}

.select-all {
  padding: 8px 0;
  font-weight: 500;
}

.options {
  list-style: none;
  margin: 0;
  padding: 0 0 0 28px;
}

.option {
  padding: 8px 0;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.actions button {
  padding: 10px 14px;
  cursor: pointer;
}

.result {
  display: block;
  margin-top: 12px;
}