Validation Error, Advice Please

Hello,

Nice, indeed lightweight, plugin and the fact you have Yelp makes all the difference to my client.

I’m running the site through W3 Validator and am getting this error. Could you advise, please? Thank you.

Element link is missing required attribute property.

From line 161, column 1; to line 161, column 180

</script>↩<link rel=’stylesheet’ id=’lsi-style-css’ href=’http://passarogroup.rotemdesignstudio.com/wp-content/plugins/lightweight-social-icons/css/style.css&#8217; type=’text/css’ media=’all’ />↩<styl

Attributes for element link:
Global attributes
href
crossorigin
rel
media
hreflang
type
sizes
Also, the title attribute has special semantics on this element.

https://wordpress.org/plugins/lightweight-social-icons/