How to Display All Collection Links Above Products in Shopify Store?

1. Go to Sections -> main-collection-banner.liquid

2. Add this code below collection description code:

<ul class="collections-list-scroll">
{% for collection in collections %}
  <li>
    <a href="{{ collection.url }}">{{ collection.title }}</a>
  </li>
{% endfor %}
</ul>

3. Add below CSS code in your css file like base.css at the bottom:

.collections-list-scroll {
  display: flex;
  justify-content: center;
  /* margin: 0 auto; */
  min-height: 40px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 6px;
  padding-left: 20px;
}
.collections-list-scroll:after {
  background: linear-gradient(to right, rgb(var(--1cripqf), 0), rgb(var(--1cripqf), 100%));
  content: "";
  height: 30px;
  padding-top: 8px;
  position: absolute;
  right: 0;
  width: 40px;
}
.collections-list-scroll li {
  margin: 8px 4px 0;
  scroll-snap-align: start;
  list-style: none;
  padding: 0;
}
.collections-list-scroll li a {
  background-color: #334fb4;
  border: 0;
  border-radius: 15px;
  box-sizing: border-box;
  color: #fff;
  display: inline-block;
  /* font-family: futura-pt, sans-serif; */
  font-size: 12px;
  font-weight: 900;
  height: 30px;
  letter-spacing: 1.2px;
  line-height: 12px;
  padding: 9px 15px;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}
.collections-list-scroll::-webkit-scrollbar {
  width: 50px;
  height: 8px;
}
.collection-hero__inner {
  flex-direction: column !important;
  text-align: center;
}
.collection-hero__description {
  margin: auto;
  margin-top: 20px;
  margin-bottom: 20px;
}
@media only screen and (max-width: 800px) {
  .collections-list-scroll {
    justify-content: unset;
    padding-left: 0;
  }
}
@media (hover: hover) {
  .collections-list-scroll::-webkit-scrollbar-thumb {
    background-color: #9a9a9a;
    border-radius: 8px;
  }
}