JSFiddle - React, Tailwind, and code Playground

HTML

<div class="in">
			<div class="voronka">
				<div class="one_block">
					
				</div>
        <div class="one_block">
					
				</div>
        <div class="one_block">
					
				</div>
        <div class="one_block">
					
				</div>
        <div class="one_block">
					
				</div>
				<div class="one_block">
					
				</div>
				<div class="one_block">
					
				</div>
				<div class="one_block">
					
				</div>
				<div class="one_block">
					
				</div>
			</div>
		</div>

CSS

.in {
    width: 100%;
    height: 100%;
    padding: 15px;
    padding-right: 0px;
    box-sizing: border-box;
}
.voronka {
    width: 100%;
    overflow: scroll;
    display: flex;
}
.voronka > .one_block {
    min-width: 300px;
    max-width: 500px;
    margin-right: 15px;
    border:2px solid #000;
    height: 100px;
}