:root {
  --spacing: 1rem;
  --spacing-double: calc(var(--spacing) * 2);
  --primary-color: #0d80cd;
  --secondary-color: #e6ea0a;
  --text-color: #333;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  transition: 0.3s;
}

body {
  margin: 0;
  max-width: 768px;
  margin-inline: auto;
  padding: var(--spacing);;
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  line-height: 1.5;
}

label {
  display: block;
  margin-bottom: var(--spacing);
  font-weight: bold;
  color: var(--text-color);
}

.flow > * + * {
  margin-top: var(--spacing-double);
}

form > * + * {
  border-top: 1px solid #ccc;
  padding-top: var(--spacing-double);
}

input {
  width: 100%;
  padding: var(--spacing);
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}

button {
  padding: var(--spacing);
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
}
button:hover {
  background-color: var(--secondary-color);
  color: var(--text-color)
}