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HTML

CSS

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JavaScript

Babel includes JSX processing.

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HTML

              
                <!-- this "sprite-like" SVG needs to be up at the top of your page -->
<!-- it's hidden - and used to pull pieces from -->
<svg xmlns="http://www.w3.org/2000/svg" style="display: none;">
  
	<filter id='shadow' color-interpolation-filters="sRGB">
		<feDropShadow dx="2" dy="2" stdDeviation="3" flood-opacity="0.5"/>
	</filter>

	<symbol id="icon-bookmark" viewBox="0 0 512 512">
		<path d="m406 37c4 0 8 0 12 2 7 3 12 7 15 12 4 5 6 11 6 18l0 368c0 6-2 12-6 18-3 5-8 9-15 11-3 2-8 3-12 3-9 0-17-3-24-10l-126-121-126 121c-7 7-15 10-24 10-4 0-8-1-12-3-7-2-12-6-15-11-4-6-6-12-6-18l0-368c0-7 2-13 6-18 3-5 8-9 15-12 4-2 8-2 12-2z"/>
	</symbol>

	<symbol id="icon-file" viewBox="0 0 512 512">
		<path d="m329 146l0-135c4 3 8 6 10 8l117 117c3 3 5 6 8 10z m-36 9c0 8 2 15 8 20 5 5 11 8 19 8l155 0 0 302c0 7-2 14-8 19-5 5-11 8-19 8l-384 0c-8 0-14-3-19-8-6-5-8-12-8-19l0-458c0-7 2-14 8-19 5-5 11-8 19-8l229 0z"/>
	</symbol>

	<symbol id="icon-star" viewBox="0 0 512 512">
		<path d="m494 185c0 4-3 9-8 14l-103 101 24 143c0 1 0 3 0 5 0 4-1 8-3 10-2 3-4 5-8 5-4 0-8-2-12-4l-128-67-128 67c-4 2-8 4-12 4-4 0-7-2-9-5-2-2-3-6-3-10 0-1 0-3 1-5l24-143-104-101c-4-6-7-10-7-14 0-7 6-12 16-13l144-21 64-130c4-8 8-12 14-12 6 0 10 4 14 12l64 130 144 21c10 1 16 6 16 13z"/>
	</symbol>
  
</svg>


<nav class='space-example'>
	
	<a class='icon icon-star' href='#'>
	  <svg><use href="#icon-star"></use></svg>
	</a>

	<a class='icon icon-bookmark' href='#'>
	  <svg><use href="#icon-bookmark"></use></svg>
	</a>

	<a class='icon icon-file' href='#'>
	  <svg><use href="#icon-file"></use></svg>
	</a>
	
</nav>



<nav class='shadow-example'>
	
	<a class='icon icon-star' href='#'>
	  <svg><use href="#icon-star"></use></svg>
	</a>

	<a class='icon icon-bookmark' href='#'>
	  <svg><use href="#icon-bookmark"></use></svg>
	</a>

	<a class='icon icon-file' href='#'>
	  <svg><use href="#icon-file"></use></svg>
	</a>

</nav>
              
            
!

CSS

              
                
a.icon {
	display: inline-block;
	text-decoration: none;
	color: initial;
	color: navy;
	width: min-content;
	padding: 10px; /* more touchable/hoverable area */
	--size: 18px;
}

a.icon svg {
	display: block;
	width: var(--size);
	height: var(--size);
	fill: currentColor;
}

a.icon:hover {
	color: salmon;
}





/*

*/



.shadow-example {
	display: flex;
	flex-direction: row;
}

.shadow-example svg {
	filter: drop-shadow(.05em .05em .05em rgb(0 0 0 / 0.4));
}

/* just for explanation */
body {
	padding: 20px;
}

.space-example a.icon {
	border: 1px solid rgba(0,0,0,.1);
}

.space-example a.icon svg {
	border: 1px solid rgba(0,0,0,.1);
}
              
            
!

JS

              
                
// more fun things to play with

// https://css-tricks.com/adding-shadows-to-svg-icons-with-css-and-svg-filters

// https://css-tricks.com/svg-use-with-external-reference-take-2
              
            
!
999px

Console