body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to bottom, #ccefff 0%, #ffffff 100%);
    color: #003366;
}

header {
    background: url('https://www.transparenttextures.com/patterns/waves.png'), #0077cc;
    color: white;
    padding: 20px;
    text-align: center;
    background-blend-mode: multiply;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

main {
    padding: 20px;
}

footer {
    background-color: #ccefff;
    text-align: center;
    padding: 10px;
    color: #003366;
}

input, textarea {
    width: 100%;
    padding: 10px;
    margin: 5px 0 15px;
}

.botao {
    display: inline-block;
    background-color: #0077cc;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
}