选择器组合
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> <style> h1,h2,h3,p{ font-family: "楷体"; text-decoration: overline; } #id1,.one{ color: red; font-weight: bold; } #id2{ font-size: 23px; color: blue; font-weight: bold; font-style: italic; text-decoration: underline; } </style> </head> <body> <h1 id="id1">老大</h1> <h2>老二</h2> <h3 class="one">老三</h3> <p>老四</p> <p>老五</p> <div id="id2">老五告诉老四老三的老二老大了</div> </body> </html>