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HTML 

              
                <div class="catalog btn">
							<span>Каталог</span> <img src="assets/img/bars.png" alt="">
							<div class="catalog-dropdown">
								<ul class="catalog-dropdown__list">
										<li>
											<a href="#">Бытовая химия</a>
											<div class="catalog-dropdown__submenu">
												<div class="catalog-dropdown__submenu-list-cleaning-product">
													<div class="product">
														<a href="#">Средства для ванной</a>
														<a href="#">Средства для туалета</a>
														<a href="#">Средства для стирки</a>
														<a href="#">Средства для чистки кухни</a>
														<a href="#">Средства для мыть посуды</a>
													</div>
													<div class="count-product">
														<span>(33)</span>
														<span>(56)</span>
														<span>(21)</span>
														<span>(3)</span>
														<span>(94)</span>
													</div>
												</div>
												<div class="catalog-dropdown__submenu-list-cleaning-product">
													<div class="product">
														<a href="#">Освежители воздуха</a>
														<a href="#">Средства для стекол, зеркал</a>
														<a href="#">Средства против насекомых</a>
														<a href="#">Средства для мытья полов</a>
														<a href="#">Средства для ковров</a>
													</div>
													<div class="count-product">
														<span>(47)</span>
														<span>(1)</span>
														<span>(21)</span>
														<span>(45)</span>
														<span>(26)</span>
													</div>
												</div>
												<div class="catalog-dropdown__submenu-list-cleaning-product">
													<div class="product">
														<a href="#">Средства для мебели</a>
														<a href="#">Универсальные чистящие средства</a>
														<a href="#">Универсальные порошки</a>
														<a href="#">Жидкий порошок</a>
														<a href="#">Средства для стирки</a>
													</div>
													<div class="count-product">
														<span>(38)</span>
														<span>(65)</span>
														<span>(43)</span>
														<span>(21)</span>
														<span>(1)</span>
													</div>
												</div>
											</div>
										</li>
										<li>
											<a href="#">Мебель </a>
											<div class="catalog-dropdown__submenu">
												<div class="catalog-dropdown__submenu-list-furniture">
													<div class="furniture">
														<a href="#">Стулья</a>
														<a href="#">Табуретки</a>
														<a href="#">Кресло</a>
													</div>
													<div class="count-furniture">
														<span>(38)</span>
														<span>(65)</span>
														<span>(1)</span>
													</div>
												</div>
												<div class="catalog-dropdown__submenu-list-furniture">
													<div class="furniture">
														<a href="#">Столы</a>
														<a href="#">Стол-книга</a>
														<a href="#">Копьютерный стол</a>
													</div>
													<div class="count-furniture">
														<span>(38)</span>
														<span>(21)</span>
														<span>(1)</span>
													</div>
												</div>
												<div class="catalog-dropdown__submenu-list-furniture">
													<div class="furniture">
														<a href="#">Диваны</a>
														<a href="#">Кровати</a>
														<a href="#">Диван-трансформер</a>
													</div>
													<div class="count-furniture">
														<span>(38)</span>
														<span>(65)</span>
														<span>(1)</span>
													</div>
												</div>
											</div>
										</li>
										<li><a href="#">Электротехника </a></li>
										<li><a href="#">Бытовая химия </a></li>
										<li><a href="#">Мебель </a></li>
										<li><a href="#">Электротехника</a></li>
								</ul>
								<div class="count">
									<span>(86)</span>
									<span>(58)</span>
									<span>(13)</span>
									<span>(25)</span>
									<span>(10)</span>
									<span>(34)</span>
								</div>		
							</div>
!

CSS 

              
                /* Модальное окно Каталога */
.catalog {
	position: relative;
}
.catalog-dropdown:before {
	content: " ";
	position: absolute;
	bottom: 100%;
	left: 0;
	width: 100%;
	height: 45px;
}
.catalog-dropdown {
	position: absolute;
	top: 45px;
	left: 0;
	z-index: 1;
	background-color: #f0f0f0;
	width: 370px;
	border-radius: 0 0 5px 5px;
}
.catalog-dropdown {
	opacity: 0;
	margin-top: -10px;
}
.catalog:hover .catalog-dropdown{
	opacity: 1;
	transition: .3s;
	margin: 0;
	display: flex;
	flex-direction: row;
	justify-content: space-between;
}
.catalog-dropdown ul li a{
	color: black;
}
.catalog-dropdown ul li a:hover{
	color: #005dc6;
}
.catalog-dropdown ul li {
	padding: 10px 0;
	margin-left: -15px;
}
.catalog-dropdown ul li:hover {
	background-color: #fff;
	border-radius: 5px;
}
.catalog-dropdown li {
	list-style-type: none;
}
.catalog-dropdown li::before {
	color: blue;
	content: "•";
	padding-right: 10px;
}
.count{
	display: inline-flex;
	flex-direction: column;
	justify-content: space-evenly;
	padding-right: 10px;
	font-size: 12px;
	color: blue;
}

/* SUBMENU catalog */
.catalog-dropdown__list li a{
	position: relative;
}
.catalog-dropdown__submenu::before {
	content: " ";
	position: absolute;
	right: 100%;
	top: 0;
	width: 45px;
	height: 100%;
}
.catalog-dropdown__submenu {
	position: absolute;
	top: 0;
	left: 385px;
	width: 925px;
	background-color: #f0f0f0;
	z-index: inherit;
	margin-left: -30px;
}
.catalog-dropdown__submenu {
	opacity: 0;
	margin-left: -50px;
}
.catalog-dropdown__list li:hover .catalog-dropdown__submenu {
	opacity: 1;
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	border-radius: 0 0 5px 5px;
	transition: .4s;
	margin: 0;
}

/* CТИЛИ КОЛОНОК В ПОДМЕНЮ*/
/* Чистящие средства */

.catalog-dropdown__submenu-list-cleaning-product {
	display: flex;
	flex-direction: row;
	margin: 15px 15px;
	box-sizing: border-box;
}
.catalog-dropdown__submenu-list-cleaning-product a:nth-child(1){
	font-weight: 600;
	padding-bottom: 15px;
}
.catalog-dropdown__submenu-list-cleaning-product a{
	padding: 5px 0;
}
.product {
	display: flex;
	flex-direction: column;
	justify-content: space-between;
}
.count-product {
	display: flex;
	flex-direction: column;
	justify-content: space-around;
	margin-left: 25px;
	color: blue;
	font-size: 12px;
}
.count-product span:nth-child(1) {
	font-weight: 600;
	padding-bottom: 10px;
}

/* Мебель */

.catalog-dropdown__submenu-list-furniture {
	display: flex;
	flex-direction: row;
	margin: 15px 20px;
}
.catalog-dropdown__submenu-list-furniture a {
	font-weight: 600;
	padding: 5px 0;
}
.catalog-dropdown__submenu-list-furniture a:hover {
	background-color: #ecedf1;
}
.furniture {
	display: flex;
	flex-direction: column;
	justify-content: space-between;
}
.count-furniture {
	display: flex;
	flex-direction: column;
	justify-content: space-around;
	color: blue;
	font-size: 12px;
	font-weight: bold;
	margin-left: 60px;
}
!

JS
!
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