Case-insensitivity
Item 1
Item 2
Item 3
li[class^="a"] { background-color: yellow; } li[class^="a" i] { color: red; }
<h1>Case-insensitivity</h1> <ul> <li class="a">Item 1</li> <li class="A">Item 2</li> <li class="Ab">Item 3</li> </ul>