nav {
    display: flex;
    flex-direction: column;
    gap: 18px;
    border-top: 1px solid lightgray;
    padding: 28px 0;
}

nav a {
    color: black;
    text-transform: uppercase;
    font-weight: 800;
}

.center {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: 0 0 10px #888888;
    padding: 18px 24px;
    border-radius: 6px;
    min-width: 300px;
}

.login-text {
    margin-bottom: 18px;
}

.login-text h4 {
    margin: 0;
    font-size: 22px;
}

.login-text p {
    margin: 0;
    font-weight: 500;
    font-size: 14px;
}

input {
    padding: 14px;
    border-radius: 6px;
    border: 1px solid lightgray;
}

input[type="submit"] {
  margin-top: 8px;
  padding: 16px;
  color: white;
  background-color: #4caf50 !important;
  border: none;
  border-radius: 6px;
  font-weight: bold;
}

input[type="submit"]:hover {
  background-color: #45a049 !important;
}

article {
    padding: 64px;
    margin: 0 auto;
    max-width: 600px;
}

article h2, 
article h4 {
    padding: 12px 0;
    border-bottom: 1px solid lightgray;
}