How to make hover on map area?
<p>Please, how can I do hover effect on area in maps?</p>

<p>Here is the code for map.</p>

<p>Thank you very much in advance!</p>

<p><a href="https://i.stack.imgur.com/Q2KGJ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Q2KGJ.png" alt="enter image description here"></a></p>

<p><div class="snippet" data-lang="js" data-hide="false" data-console="false" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;img src="[CR_kraje_1_úroveň_v1] (imported)" width="770" height="443" border="0" usemap="#map" /&gt;

&lt;map name="map"&gt;
&lt;!-- #$-:Image map file created by GIMP Image Map plug-in --&gt;
&lt;!-- #$-:GIMP Image Map plug-in by Maurits Rijk --&gt;
&lt;!-- #$-:Please do not edit lines starting with "#$" --&gt;
&lt;!-- #$VERSION:2.3 --&gt;
&lt;!-- #$AUTHOR:Vladimir Ponechal  --&gt;
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&lt;/map&gt;</code></pre>
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