/* Estilos gerais */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #2c3e50;
    color: #fff;
    padding: 10px;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 20px;
}
nav ul li a {
    color: #fff;
    text-decoration: none;
}
main {
    padding: 20px;
}
section {
    margin-bottom: 20px;
}
footer {
    background-color: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 10px;
}

@media (min-width: 768px) {
    main {
        display: flex;
        justify-content: space-around;
    }

    section {
        width: 45%;
    }
}
.botao {
    display: inline-block;
    background-color: #ccc;
    color: black;
    padding: 5px 10px;
    text-decoration: none;
    border-radius: 4px;
    margin-top: 10px;
}

.botao:hover {
    background-color: #999;
}