JSFiddle - React, Tailwind, and code Playground

HTML

<ul class="manufacturerCategory">

<li class="hasIndexLetter">
	<div class="indexLetter"><a href="/en/manufacturers/#anchor_A">A</a></div>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Akamuti-m102">Akamuti</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Alara-m233">Alara</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Alce-Nero-m255">Alce Nero</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Alexandria-m270">Alexandria</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/AlmaWin-m48">AlmaWin</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Alteya-Organics-m46">Alteya Organics</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Alva-m296">Alva</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Amaizin-m303">Amaizin</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Amandin-m265">Amandin</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Amazing-Grass-m184">Amazing Grass</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Amisa-m217">Amisa</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Anchialo-m274">Anchialo</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Andalou-m317">Andalou</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Arcadie-m306">Arcadie</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Argiletz-m301">Argiletz</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Arix-m345">Arix</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Aubrey-Organics-m111">Aubrey Organics</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Avril-m244">Avril</a>
</li>

<li>
	<a href="/en/shop/Zoya-BG-Organic-Natural-super-store.1/Ayumi-m183">Ayumi</a>
</li>

<li...

CSS

.manufacturerCategory {
  width:400px;
  height:200px;
  overflow: scroll;
  columns: 5;
  -webkit-columns: 5;
}

ul>li {
    margin:15px;
}