#uiebook-reader-wrapper {
    background: #181818 !important;
    max-width: 840px !important;   /* just a touch wider */
    width: 100%;
    padding: 0 !important;
    margin: 2.5em auto !important;
    border-radius: 20px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    box-shadow: 0 0 20px 3px #75c3c7 !important;
    border: 2.5px solid #75c3c7 !important;
}

#uiebook-container {
    background: #222 !important;
    padding: 10px !important; /* All margins a little bigger */
    border-radius: 18px !important;
    box-shadow: 0 0 14px 3px #75c3c7 !important;
    border: 2.5px solid #75c3c7 !important;
    width: 820px !important;   /* (800px book + 2*10px padding) */
    height: 620px !important;  /* (600px book + 2*10px padding) */
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 auto !important;
    box-sizing: content-box !important;
    position: relative !important;
}

#uiebook-container .flipbook {
    width: 800px !important;
    height: 600px !important;
    margin: 0 !important;
    background: transparent !important;
    border-radius: 14px !important;
}

#uiebook-container .page {
    width: 400px !important;
    height: 600px !important;
    background: #fff !important;
    box-shadow: 0 2px 8px #75c3c7 !important;
    border-radius: 8px !important;
    display: block !important;
    margin: 0 !important;
}

#uiebook-container .page canvas {
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    display: block !important;
    border-radius: 0 0 8px 8px !important;
}

#uiebook-reader-wrapper h2,
#uiebook-dropdown {
    text-align: center !important;
    margin-left: auto !important;
    margin-right: auto !important;
}
#uiebook-dropdown {
    width: 350px !important;
    min-width: 180px !important;
    margin-bottom: 1.5em !important;
    border-radius: 10px !important;
    background: #232a2d !important;
    color: #fff !important;
    border: 2px solid #75c3c7 !important;
    box-shadow: 0 2px 8px #75c3c7 !important;
    font-size: 1.08em !important;
}

.entry-content,
.wp-block-post-content {
    max-width: none !important;
    width: auto !important;
    padding: 0 !important;
}