CSS

Reference

• W3Schools - ref

How To

• Add an #External Link Icon to #Hyperlinks on Your Webpage with CSS #Attribute Selectors
  • Get the icon here: https://feathericons.com/?query=external-link

  •       a[target=_blank], a[href^="http"] {
            background-image: url(../img/external-link.svg);
            background-repeat: no-repeat;
            background-position: top right;
            padding-right: 1.5em;
          }
       </style>
    

Frameworks

• Bootstrap - docs
• Bulma - docs

Articles

• https://css-tricks.com/absolute-relative-fixed-positioining-how-do-they-differ/