body {
    display: flex;
    flex-direction: column;
    background: linear-gradient(45deg, #7770eb, #0ddf9d);
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin: 0;
}

.navbar {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
    display: flex;
    justify-content: center;
    padding: 10px 0;
}

.navbar ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.navbar ul li {
    margin: 0 15px;
}

.navbar ul li a {
    text-decoration: none;
    color: white;
    font-size: 20px;
    transition: color 0.3s;
}

.navbar ul li a:hover {
    color: #0ddf9d;
}

.flip-book {
    width: 800px;
    height: 600px;
    margin-top: 60px; 
}

.page {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background-color: white;
    border: 1px solid #ddd;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.page-cover {
    background-color: #f0f0f0;
}

.page-content {
    padding: 20px;
    text-align: center;
}

.page img {
    max-width: 100%;
    height: auto;
}

.button-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
}

button {
    width: 200px; 
    height: 100px; 
    border-radius: 10px; 
    border: none;
    background-color: hwb(0 97% 3%);
    color: rgb(66, 66, 66);
    font-size: 30px;
    cursor: pointer;
    margin: 0 10px;
    transition: transform 0.3s, background-color 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    line-height: 1.2;
}

button:hover {
    transform: scale(1.1);
    background-color: hwb(61 28% 12%);
}

.page-content {
    scale: 1;
}