<h1 title="ahoj">Default</p>
<h1 title="Ahoj">Default 2</p>
___________________________________
<h2 title="cus">Insensitive (All browsers)</h2>
<h2 title="Cus">Insensitive 2</h2>
___________________________________
<h3 title="cau">Sensitive (Firefox only)</h3>
<h3 title="Cau">Sensitive 2</h3>
h1[title=ahoj]{
  color: forestgreen;
}

h2[title=cus i]{
  color: lime;
}

h3[title=cau s]{
  color: green;
}

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