nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

nav ul {
    display: flex;
    gap: 20px;
    list-style: none;
}

nav a:hover {
    text-decoration: underline;
}

button {
    padding: 10px 16px;
    background: #000;
    color: #fff;
    border: 0;
    cursor: pointer;
}

button:hover {
    background: #555;
}

input,
select {
    width: 100%;
    padding: 10px 0;
    background: #fff;
    color: #000;
    border: 0;
    border-bottom: 1px solid #000;
}

.card {
    padding: 20px 0;
}

.card h2 {
    margin-bottom: 8px;
}

.card p {
    color: #555;
}