body {
    margin: 0;
    padding: 0;
    height: 100vh;
}

header {
    background-color: #000;
    color: #fff;
    padding: 5px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    font-size: 25px;
    margin: 0;
}

nav {
    display: flex;
    align-items: center;
}

a {
    margin: 0 10px;
    text-decoration: none;
    color: #fff;
}

.btn-cadastrar {
    background-color: #fff;
    color: #000;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

h2 {
    margin-top: 20px;
}

form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

input {
    width: 50%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    margin-top: 10px;
    padding: 10px 20px;
    background-color: #000;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.logoff {
    text-align: center;
    margin-top: 20px;
    color: #000;
    text-decoration: none;
}

main {
    padding: 20px;
}

footer {
    background-color: #ddd;
    padding: 5px;
    text-align: center;
}