body {
    background: #EFE;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 90vh;
    margin: 0;
    font-family: serif;
}

.custom-scroll {
    width: 500px;
    max-height: 80vh;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
    border-radius: 5px;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
    font-size: 20px;
}

/* The Content Area - Scrolls vertically */
.scroll-content {
    flex-grow: 1;
    padding: 2em;
    overflow-y: scroll;
    background-color: #e7ddc6;
    background-image: url("https://www.frenchpaper.com/cdn/shop/products/PARCHTONE_Adged_80C_01_8e43db3a-94a2-4ea9-bc57-d5b30ef9cfb8_1400x.jpg?v=1624540758");
    background-attachment: local;
    border-left: 1px solid #c9c09c;
    border-right: 1px solid #c9c09c;
    line-height: 1.6;
    color: #382c0e;
    position: relative;

    margin-top: -1em;
    margin-bottom: -1em;
}

/* SCROLLBAR HIDING (optional) */
.scroll-content::-webkit-scrollbar {
    width: 0;
    background: transparent;
}

.scroll-content {
    -ms-overflow-style: none;
    scrollbar-width: none;
}


/* --- STICKY SHADOW EFFECTS --- */

.custom-scroll::before,
.custom-scroll::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 25px;
    pointer-events: none;
    z-index: 10;
}

.custom-scroll::before {
    top: 3em;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.25) 0%, rgba(255, 255, 255, 0) 100%);
}

.custom-scroll::after {
    bottom: 3em;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.25) 0%, rgba(255, 255, 255, 0) 100%);
}

/* --- CYLINDER (ROLLER) STYLES --- */

.scroll-end {
    width: 100%;
    height: 10em;
    background: #e7ddc6;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    z-index: 20;
    position: relative;
    perspective: 300px;
}

.top-end>.cylinder {
    top: 60%;
}

.bottom-end>.cylinder {
    top: 40%;
}

/* 2. The Cylinder container (Rotated by JS) */
.cylinder {
    position: absolute;
    left: 0;
    width: 100%;
    z-index: 1;
    display: block;
    transform-style: preserve-3d;
}

/* 3. The faces of the wide cylinder */
.cylinder>div {
    background-color: #e7ddc6;
    background-image: url("https://www.frenchpaper.com/cdn/shop/products/PARCHTONE_Adged_80C_01_8e43db3a-94a2-4ea9-bc57-d5b30ef9cfb8_1400x.jpg?v=1624540758");
    position: absolute;
    line-height: 0.5em;
    top: -0.25em;
    /* Keep this half of the line height to center the cyl rotation */
    display: block;
    width: 100%;
    backface-visibility: hidden;
    font-weight: bold;
}