* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: rgb(235, 235, 235);

}

html {
    scroll-behavior: smooth;
}

main {
    margin: 20px;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

main h1 {
    margin: 20px;
}

.chapter {
    width: 95vw;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;

}

main>div>p {
    cursor: pointer;
    background-color: rgb(255, 255, 255);
    padding: 20px;
    border: 0;
    border-radius: 16px;

}


a {
    text-decoration: none;
    color: black;
    transition: all .3s ease;

}

.chapter-content {
    display: none;
    overflow: hidden;
    flex-direction: column;
    gap: 5px;
    width: auto;
    margin-left: 20px;
}

.chapter-content a {
    background-color: rgb(239, 250, 255);
    padding: 10px;
    border: 0;
    border-radius: 15px;
}