#flipbook {
    max-width: 100%;
    margin: auto;
    align-items: center;
    overflow: visible;
    cursor: pointer;
}

.page {
    background-color: white;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.error {
    color: #fff;
    background-color: #e74c3c;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
}

.brochure-item img.thumbnail {
    max-width: 75%;
    height: auto;  
    margin: auto;
    
}

.list-group-item.brochure-item a {
    padding: 0;
    border: none;
}

.list-group-item.brochure-item{
    text-align: center;
    font-size: 14px;
    align-items: center;
}

.list-group .list-group-item.brochure-item.active,
.list-group .list-group-item.brochure-item:hover {
    padding-top: 10px;
	background-color: #DDDDDD;
}

.list-group-item.brochure-item:focus, 
.list-group-item.brochure-item:hover,
.list-group-item.brochure-item.active {
	border-color:#ddd;
    background: none;
}

.brochure-item .date_from_to {
	color: #000;
    font-size: 18px;
	display: block;
    margin-top: 10px;
	margin-bottom: 5px;
}

.list-group-item.brochure-item {
    
}

.flipbook1.col-sm-3.nps1 {
    color: #329D2A;
    margin-left: +15px;
    width: 270px;
    border-radius: 4px
    
}
.txt13.ll3{
    font-size: 17px;
    color: white;
    text-align: center;

}

@media (max-width: 768px) {
    #flipbook {
        width: 100%;
        height: auto;
    }

    .list-group-item.brochure-item {
        font-size: 12px;
        padding: 5px;
    }

    .brochure-item img.thumbnail {
        max-width: 60%; /* make the image smaller */
    }

    .flipbook1.col-sm-3.nps1 {
        width: 200px; /* reduce width of the card-like item */
        margin-left: 0; /* remove margin if necessary for better fit */
    }

    .txt13.ll3 {
        font-size: 15px; /* slightly smaller text */
    }

    #flipbook .page img {
        width: 100%;
        height: auto;
        object-fit: contain;
    }
}