Highlighting one menu link with a distinct color
In the header, add in custom css as followings:

a[href^="/pages/contact-us"] {color: #33ff00 !important;}
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Make parent link clickable
Snippets > header-mega-menu.liquid (l.19-25) Parentlink {%- assign parentlink = link.links[0] -%} <a href="{{ parentlink.url }}" title="{{ parentlink.title }}"> <span {%- if link.child_active %} class="header__active-menu-item" {% endif %} > {{- ...
Reduce menu link padding in the footer
In the footer section, add the following in the custom css: .list-menu__item--link { padding: 0px; }
Hide menu link in mega menu when product counts = 0
In header-mega-menu.liquid, search {%- for childlink in link.links -%} Add the following below: {%- if childlink.object and childlink.object.products_count == 0 -%} {%- continue -%} {%- endif -%} Then, search {%- for grandchildlink in childlink.links ...
Make Mega Menu Second Child Horizontal
In the header, add in custom css as below: @media screen and (min-width: 990px) { .header--top-center .mega-menu__list { display: flex; justify-content: left; flex-wrap: wrap; column-gap: 0; } #MegaMenu-Content-1 .mega-menu__list li:nth-child(2) ...
Make mega menu show only collection that consist of products
In header-mega-menu.liquid and header-drawer.liquid, add the followings: {%- if childlink.object and childlink.object.products_count == 0 -%} {%- continue -%} {%- endif -%} and {%- if grandchildlink.object and grandchildlink.object.products_count == ...