like role="img", using "presentation" gives a result consistent with actually using a nested image inside of a button or link.</li>
				<li>Assign the attribute <strong>focusable="false"</strong> to the SVG element.</li>
				<li>Use either <strong>aria-label</strong> for buttons and <strong>hidden screen-reader-text</strong> for links to give the button or link meaning for those using a screen reader. See the "screen-reader-text" class in <a href="css/base.css">base.css</a>.</li>
			</ul>
			<h3>Button exam