JSFiddle - React, Tailwind, and code Playground

by Pete_D

HTML

<img src="http://img196.imageshack.us/img196/2213/facebookcolored.png" class="social-icons grayscale fb">
<img src="http://img441.imageshack.us/img441/8045/rsscolored.png" class="social-icons grayscale">
<img src="http://img266.imageshack.us/img266/1866/twittercolored.png" class="social-icons grayscale">

CSS

img.social-icons {
  -webkit-transition: all .5s;
}
img.grayscale{
	filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale"); /* Firefox 10+, Firefox on Android */
	filter: gray;
	-webkit-filter: grayscale(1);
}
img.grayscale:hover {
    filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'1 0 0 0 0, 0 1 0 0 0, 0 0 1 0 0, 0 0 0 1 0\'/></filter></svg>#grayscale");
    -webkit-filter: grayscale(0%);
}
img.fb {
     opacity: 0.7;   
}
}