body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

#menu {
    padding: 10px;
    border-bottom: 1px solid #ccc;
    overflow: hidden;
}

#menu-controlos {
    float: right;
}

#menu-links {
    float: left;
}

#menu .nav-link {
    margin-right: 15px;
    text-decoration: none;
}

#menu .nav-link:hover {
    text-decoration: underline;
    font-weight: bold;
}

#conteudo {
    padding: 20px;
}

#tabela_marcas {
    border-collapse: collapse;
    width: 100%;
}

#tabela_marcas th, #tabela_marcas td {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: left;
}

#tabela_marcas th {
    font-weight: bold;
}

#tabela_marcas img {
    width: 32px;
    height: auto;
}

.tecnologia-item {
    overflow: hidden;
    margin-bottom: 20px;
}

.float-esq {
    float: left;
    margin-right: 15px;
    width: 200px;
    height: auto;
}

.float-dir {
    float: right;
    margin-left: 15px;
    width: 200px;
    height: auto;
}

.cartao {
    border: 1px solid #ccc;
    padding: 20px;
    width: 300px;
    margin-top: 20px;
}