Under the flow model, inline elements will be displayed horizontally from left to right within the containing element. (Inline elements are not as domineering as block elements that occupy one line)
As shown in the following code
<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>流动模式下的内联元素</title> <style type="text/css"> </style> </head> <body> <a href="http://www.php.cn">php中文网</a><span>强调</span><em>重点</em> <strong>强调</strong> </body> </html>