CSS background-origin用法及代碼示例

background-origin是CSS中定義的屬性，可幫助調整網頁的背景圖像。此屬性用於在背景中設置圖像的原點。默認情況下，此屬性將背景圖像原點設置為屏幕/網頁的左上角。

用法:

background-origin:padding-box|border-box|content-box|initial|
inherit;

屬性值：
initial:這采用將背景原點設置為左上角的填充邊的初始值/默認值。

用法：
```
background-origin:initial;
```

Example:

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>background-origin property</title> 
    <style> 
        .gfg { 
            padding:40px; 
            width:400px; 
            background-image:  
url('https://media.geeksforgeeks.org/wp-content/cdn-uploads/gfg_200X200.png'); 
            background-repeat:no-repeat; 
            background-origin:intial; 
            border:1px double; 
            text-align:justify; 
        } 
    </style> 
</head> 
  
<body> 
    <div class="gfg"> 
        <p> 
          Prepare for the Recruitment drive of product 
          based companies like Microsoft, Amazon, Adobe 
          etc with a free online placement preparation 
          course. The course focuses on various MCQ's  
          & Coding question likely to be asked in the  
          interviews & make your upcoming placement  
          season efficient and successful.  
        </p> 
    </div> 
</body> 
  
</html>

Output:

padding-box：此屬性用於將背景圖像的原點設置為左上角的填充邊。

用法:
```
background-origin:padding-box;
```

例：

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>background-origin property</title> 
    <style> 
        .gfg { 
            padding:40px; 
            width:400px; 
            background-image:  
url('https://media.geeksforgeeks.org/wp-content/cdn-uploads/gfg_200X200.png'); 
            background-repeat:no-repeat; 
            background-origin:padding-box; 
            border:1px double; 
            text-align:justify; 
        } 
    </style> 
</head> 
  
<body> 
    <div class="gfg"> 
        <p> 
          Prepare for the Recruitment drive of 
          product based companies like Microsoft, 
          Amazon, Adobe etc with a free online  
          placement preparation course. The course 
          focuses on various MCQ's & Coding question 
          likely to be asked in the interviews & 
          make your upcoming placement season  
          efficient and successful.  
        </p> 
    </div> 
</body> 
  
</html>

輸出：

border-box：此屬性用於將圖像設置為網頁正文的邊界，即絕對左上角。

用法:
```
background-origin:border-box;
```

例：

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>background-origin property</title> 
    <style> 
        .gfg { 
            padding:40px; 
            width:400px; 
            background-image:  
url('https://media.geeksforgeeks.org/wp-content/cdn-uploads/gfg_200X200.png'); 
            background-repeat:no-repeat; 
            background-origin:border-box; 
            border:1px double; 
            text-align:justify; 
        } 
    </style> 
</head> 
  
<body> 
    <div class="gfg"> 
        <p> 
          Prepare for the Recruitment drive of  
          product based companies like Microsoft, 
          Amazon, Adobe etc with a free online  
          placement preparation course. The course 
          focuses on various MCQ's & Coding question  
          likely to be asked in the interviews & make 
          your upcoming placement season efficient  
          and successful.  
        </p> 
    </div> 
</body> 
  
</html>

輸出：

content-box：此屬性用於根據使用該屬性的部門/主體的內容來設置背景的原點。

用法:
```
background-origin:content-box;
```

例：

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>background-origin property</title> 
    <style> 
        .gfg { 
            padding:40px; 
            width:400px; 
            background-image:  
url('https://media.geeksforgeeks.org/wp-content/cdn-uploads/gfg_200X200.png'); 
            background-repeat:no-repeat; 
            background-origin:content-box; 
            border:1px double; 
            text-align:justify; 
        } 
    </style> 
</head> 
  
<body> 
    <div class="gfg"> 
        <p> 
          Prepare for the Recruitment drive of 
          product based companies like Microsoft, 
          Amazon, Adobe etc with a free online 
          placement preparation course. The course 
          focuses on various MCQ's & Coding question 
          likely to be asked in the interviews & make 
          your upcoming placement season efficient  
          and successful. 
        </p> 
    </div> 
</body> 
  
</html>

輸出：

繼承：用於從已使用的代碼繼承屬性(父屬性)，否則默認情況下用作padding-box。

用法:
```
background-origin:inherit;
```

例：

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>background-origin property</title> 
    <style> 
        .gfg { 
            padding:40px; 
            width:400px; 
            background-image:
url('https://media.geeksforgeeks.org/wp-content/cdn-uploads/gfg_200X200.png'); 
            background-repeat:no-repeat; 
            background-origin:inherit; 
            border:1px double; 
            text-align:justify; 
        } 
    </style> 
</head> 
  
<body> 
    <div class="gfg"> 
        <p> 
          Prepare for the Recruitment drive of  
          product based companies like Microsoft, 
          Amazon, Adobe etc with a free online  
          placement preparation course. The course 
          focuses on various MCQ's & Coding question 
          likely to be asked in the interviews & make  
          your upcoming placement season efficient and 
          successful.  
        </p> 
    </div> 
</body> 
  
</html>

輸出：

支持的瀏覽器：CSS | Java支持的瀏覽器。下麵列出了background-origin屬性：

穀歌瀏覽器
IE瀏覽器
Firefox
Opera
Safari

相關用法

注：本文由純淨天空篩選整理自RahulRanjan4大神的英文原創作品 CSS | background-origin property。非經特殊聲明，原始代碼版權歸原作者所有，本譯文未經允許或授權，請勿轉載或複製。