.container {
    background: #081d61;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.btnContainer {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-secondary {
    background-color: #081d61;
    color: #fff;
    border-color: #081d61;
}

header {
    background: #081d61;
    color: white;
    text-align: center;
    padding: 15px;
    width: 100%;
    top: 0;
}

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center; /* Centra el contenido verticalmente */
    min-height: 100vh;
    background: url(https://mybayutcdn.bayut.com/mybayut/wp-content/uploads/Books-AR19082021-1024x640.jpeg) no-repeat center center fixed;
    background-size: cover;
}

h1, h4 {
    text-align: justify;
    color: #fff;
}