How can compatibility issues between different browsers be addressed when implementing dynamic content like a news ticker using PHP and CSS?

Compatibility issues between different browsers can be addressed by using vendor prefixes in CSS properties and ensuring that the PHP code generates consistent HTML output across browsers. Additionally, testing the dynamic content on multiple browsers and devices can help identify and resolve any display issues.

<?php
echo '<div class="news-ticker">';
echo '<ul>';
echo '<li>News 1</li>';
echo '<li>News 2</li>';
echo '<li>News 3</li>';
echo '</ul>';
echo '</div>';
?>