The use element in SVG allows nodes to be reused within the same document or in other documents by referencing their IDs.
<svg>
<defs>
<symbol id="icon-book-open" viewBox="">
<path d="M20.804 ..."></path>
</symbol>
</defs>
</svg>
<svg class="snippets-icon-book-open">
<use href="#icon-book-open"></use>
</svg> .snippets-icon-book-open {
fill: #1f0004;
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