* {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Poppins", sans-serif;
    background-color: wheat;
}
.navbar {
    background-color: #FD6569;
    padding: 10px;
}

.container {
    padding: 10px;
    text-align: center;
    
}

.book-container {
    padding: 15px;
    width: 90%;
    max-width: 400px;
    background-color: black;
    border-radius: 10px;
    color: white;
    margin: 30px auto;
    display:block;
    

}

.book-container h2 {
    color: #FD6569;

}

.book-container button {
    background-color: #FD6569;
    color: black;
    border-radius: 10px;
    padding: 5px 10px;
    border: none;
    margin-top: 10px;
    cursor: pointer;
}

.add-btn {
    background-color: #FD6569;
    color: black;
    border-radius: 100%;
    padding: 20px 30px;
    font-size: 40px;
    border: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    cursor: pointer;
    z-index: 3;
}

.popup-overlay {
    background-color: black;
    opacity: 0.8;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    display: none;
}

.popup-box {
    background-color: #FD6569;
    width: 90%;
    max-width: 500px;
    padding: 40px;
    border-radius: 10px;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    display: none;
}
.popup-box input {
    background: transparent;
    border: none;
    width: 100%;
    margin: 5px;
    padding: 5px;
    font-size: 20px;
    border-bottom: solid black 2px;
} 
.popup-box textarea {
    background: transparent;
    
    width: 100%;
    margin: 5px;
    padding: 5px;
    font-size: 20px;
    border: solid black 2px;
}

.popup-box input::placeholder {
    color: black;
}
.popup-box textarea::placeholder {
    color: black;
}

.popup-box button {
    background-color: black;
    color: white;
    padding: 10px 20px;
    border: none;
    margin: 5px;
    cursor: pointer;
}

.popup-box input:focus {
    outline: none;

}
.popup-box textarea:focus {
    outline: none;

}