摘要：
DOCTYPEhtml˃ISBNTitlePrice3476896MyfirstHTML$535869207MyfirstCSS$49
| ISBN | Title | Price |
|---|---|---|
| 3476896 | My first HTML | $53 |
| 5869207 | My first CSS | $49 |
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <table border="1"clas="left"> <colgroup> <col style="background-color:red; 100px;text-align:left;"> <col style="background-color:orange"> <col style="background-color:orange"> </colgroup> <tr> <th >ISBN</th> <th>Title</th> <th>Price</th> </tr> <tr> <td>3476896</td> <td>My first HTML</td> <td>$53</td> </tr> <tr> <td>5869207</td> <td>My first CSS</td> <td>$49</td> </tr> </table> </body> </html>