* {
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

main {
  max-width: 600px;
  margin: 0 auto;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

label {
  font-weight: bold;
}

input,
select,
button {
  padding: 0.5em;
  font-size: 1rem;
}

button {
  background-color: green;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background-color: darkgreen;
}

.errors > p {
  border: 1px solid red;
  padding: 0.5em;
}

select::-webkit-inner-spin-button,
select::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

select {
  -moz-appearance: none;
  -webkit-appearance: none;
  appearance: none;
}

.hide {
  display: none;
}