">' | append: title | append: '<sup ><i class="fa fa-youtube"></i></sup></a>' -%}
        {%- elsif url contains "twitter.com" -%}
            {%- assign link_text = '<a href="' | append: url | append: '">' | append: title | append: '<sup ><i class="fa fa-twitter"></i></sup></a>' -%}
        {%- elsif url contains "github.com" or url contains "github.io" -%}
            {%- assign link_text = '<a href="' | append: url | append: '">' | append: title | append: '<sup ><i class="fa fa-github"></i></sup></a>' -%