.pdf-content .spot .icon {
    border-radius: 25px;
    font-size: 24px;
    line-height: 50px;
    text-align: center;
    border: 1px solid #fff;
    background-color: #c41b31;
    color: #fff;
}

.bookControls .bookNav {

}

.bookControls .btn-toolbar .btn-group:nth-child(2) {
    display: none;
}
.spot .spotLabel {
    opacity: 0;
    transition: opacity 200ms ease-in-out;
}

.spot:hover .spotLabel {
    opacity: 1;
    transition: opacity 200ms ease-in-out;
}