亚洲国产日韩欧美一区二区三区,精品亚洲国产成人av在线,国产99视频精品免视看7,99国产精品久久久久久久成人热,欧美日韩亚洲国产综合乱

CSS basic tutorial box model

Box Model

  • We can regard every HTML tag as a "box".

  • What are the characteristics of this "box": the height or height of the content, border lines, inner padding, and outer margins.

The total width of the "box": content width + border width*2 + left padding*2 + left margin*2

As shown in the figure below;
28.png


Continuing Learning
||
<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>php.cn</title> <style type="text/css"> *{ color:red; } </style> </head> <body> <h1>習(xí)近平心中的互聯(lián)網(wǎng)</h1> <p>互聯(lián)網(wǎng)是20世紀最偉大的發(fā)明，它正在將人類“一網(wǎng)打盡”，人們在不知不覺中已經(jīng)融入了互聯(lián)網(wǎng)生態(tài)，互聯(lián)網(wǎng)讓世界變成了“雞犬之聲相聞”的地球村。</p> </body> </html>
submitReset Code