/* add some style for nav */
*{
  font-family: Arial, sans-serif;
}
.nav{
    display: flex;
    width: 90%;
    margin: auto;
    margin-top: 15px;
    justify-content: space-evenly;
    padding: 15px;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}
.nav a{
    text-decoration: none;
    font-weight: bold;
}
/* add some style for form */
form {
  max-width: 500px;
  margin: 0 auto;
  margin-top: 50px;
  padding: 20px;
  border: 1px solid #ccc;
  border-radius: 10px;
}

label {
  display: block;
  margin-bottom: 5px;
}

input[type="text"],
select {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
  margin-bottom: 10px;
}

input[type="radio"] {
  margin-right: 10px;
}

button[type="submit"] {
  background-color: #71acdd;
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button[type="submit"]:hover {
  background-color:#70a0e7;
}