body {
            font-family:montserrat;
            margin: 0;
            padding: 0;
        }

        
    .livro-container {
      text-align: center;
      background: #fff;
      padding: 30px;
      border-radius: 15px;
      box-shadow: 0 0 15px rgba(0,0,0,0.1);
    }

    .capa-livro {
      width: 250px;
      height: auto;
      border-radius: 8px;
      transition: transform 0.3s ease;
      cursor: pointer;
    }

    .capa-livro:hover {
      transform: scale(1.1);
    }

    .botao-acesso {
      margin-top: 20px;
      background-color: #007bff;
      color: white;
      padding: 12px 25px;
      font-size: 16px;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      transition: transform 0.3s ease;
    }

    .botao-acesso:hover {
      transform: scale(1.05);
      background-color: #0056b3;
    }
  

        /* Estilos do menu */
        #menu {
            background-color: #333;
            overflow: hidden;
        }

        #menu a {
            float: left;
            display: block;
            color: white;
            text-align: center;
            padding: 14px 16px;
            text-decoration: none;
        }

        #menu a:hover {
            background-color: #575757;
        }

        /* Estilos das seções de conteúdo */
        .content-section {
            display: none; /* Esconde todas as seções inicialmente */
            padding: 15px;
            margin-top: 7px;
            margin-bottom: 100px;;
        }

        .active {
            display: block; /* Exibe a seção ativa */
        }


        header {
            background-color: #fff;
            color: #fff;
            padding: 10px 20px;
            text-align: center;
        }
        nav {
            background-color: #fff;
            padding: 10px;
            text-align: center;
        }
        nav ul {
            list-style-type: none;
            margin: 10;
            padding: 0;
        }
        nav ul li {
            display: inline-block;
            margin: 0 20px;
        
        }
        nav ul li a {
            display: block;
            width: 100px;
            height: 50px;
            line-height: 70px;
            text-align: center;
            background-color: #32AF9C;
            color: #32AF9C;
            text-decoration: none;
            border-radius: 10px;
        }
        nav ul li a:hover {
            background-color: #FFC200;
        }

        footer {
            background-color: #0FA184;
            font-family: montserrat;
            font-size: 10pt;
            color: white;
            text-align: center;
            padding: 10px 0;
            position: fixed;
            width: 100%;
            bottom: 0;
        }

        footer img{
            margin-right: 10px;
            margin-left: 10px;
        }

        footer a:hover {
            background-color: orange;
        }

    
        /* ESTILO DAS DIVS */
        .container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px; /* Espaço entre as divs */
            justify-content: center;
        }

        /* Estilos das divs quadradas */
        .square {
            width: 300px;
            height: 400px;
            margin-top: 20px;
            background-color: #ffffff;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        /* Media Queries para responsividade */
        @media (max-width: 960px) {
            .square {
                width: 45%;
                height: auto;
            }
        }

        @media (max-width: 600px) {
            .square {
                width: 90%;
                height: auto;
            }
        }

        h5{
            text-align: center;
            margin-top: 2px;
        }

        /* Estilos de Botão */
        .button {
            background-color: #007BFF; /* Azul */
            border: none;
            color: white;
            padding: 15px 32px;
            text-align: center;
            text-decoration: none;
            display: inline-block;
            font-size: 16px;
            margin: 2px 1px;
            cursor: pointer;
            border-radius: 4px;
            transition: background-color 0.3s;
        }

        .button:hover {
            background-color: #0056b3; /* Azul escuro */
        }

        .button:active {
            background-color: #004080; /* Azul ainda mais escuro */
        }

        .card-img-top{
            width: 300px;
            align-content: center;
        
        }