CSS object-position用法及代碼示例

CSS的object-position屬性指定如何在其內容框中使用x /y坐標定位圖像或視頻元素。

用法:

object-position:<position> | initial | inherit

屬性值：

position:這指定了元素的位置。它采用2個數值，分別對應於距content-box左側的距離和距content-box頂部頂部的距離。也可以使用負值。

範例1：

<!DOCTYPE html> 
  
<head> 
    <title>CSS object-position</title> 
    <style> 
        img { 
            width:300px; 
            height:250px; 
            background-color:silver; 
            object-fit:none; 
            /* Setting the object-position to '10px'  
             from the leftmost of the 
             box and '30px' from the topmost of the box */ 
            object-position:10px 30px; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green">GeeksforGeeks</h1> 
    <p>object-position:10px 30px</p> 
    <img id="object" src= 
"https://media.geeksforgeeks.org/wp-content/uploads/sample_image.png" /> 
</body> 
  
</html>

輸出：

object-position:10px 30px

範例2：

<!DOCTYPE html> 
  
<head> 
    <title>CSS object-position</title> 
    <style> 
        img { 
            width:300px; 
            height:250px; 
            background-color:silver; 
            object-fit:none; 
            /* Setting the object-position to '50%' 
            from the leftmost of the 
            box and '75%' from the topmost of the box */ 
            object-position:50% 75%; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green">GeeksforGeeks</h1> 
    <p>object-position:50% 75%</p> 
    <img id="object" src= 
"https://media.geeksforgeeks.org/wp-content/uploads/sample_image.png" /> 
</body> 
  
</html>

輸出：

object-position:50% 75%

範例3：

<!DOCTYPE html> 
  
<head> 
    <title>CSS object-position</title> 
    <style> 
        img { 
            width:300px; 
            height:250px; 
            background-color:silver; 
            object-fit:none; 
            /* Setting the object-position to 'left' 
             from the leftmost of the 
             box and 'bottom' from the topmost of the box */ 
            object-position:left bottom; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green">GeeksforGeeks</h1> 
    <p>object-position:left bottom</p> 
    <img id="object" src= 
"https://media.geeksforgeeks.org/wp-content/uploads/sample_image.png" /> 
</body> 
  
</html>

輸出：

object-position:left bottom

範例4：

<!DOCTYPE html> 
  
<head> 
    <title>CSS object-position</title> 
    <style> 
        img { 
            width:300px; 
            height:250px; 
            background-color:silver; 
            object-fit:none; 
            /* Setting the object-position to 'center' 
             from the leftmost of the 
             box and 'top' from the topmost of the box */ 
            object-position:center top; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green">GeeksforGeeks</h1> 
    <p>object-position:center top</p> 
    <img src= 
"https://media.geeksforgeeks.org/wp-content/uploads/sample_image.png" /> 
</body> 
  
</html>

輸出：

object-position:center top

initial:這將設置屬性的默認值，即50％50％，其中元素位於內容框的中間。

例：

<!DOCTYPE html> 
  
<head> 
    <title>CSS object-position</title> 
    <style> 
        img { 
            width:300px; 
            height:250px; 
            background-color:silver; 
            object-fit:none; 
            /* sets the default value of 
             object-position property */ 
            object-position:initial 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green">GeeksforGeeks</h1> 
    <p>object-position:initial</p> 
    <img src= 
"https://media.geeksforgeeks.org/wp-content/uploads/sample_image.png" /> 
</body> 
  
</html>

輸出：

object-position:initial

inherit:這從父元素接收屬性。當與root元素一起使用時，將使用initial屬性。

例：

<!DOCTYPE html> 
  
<head> 
    <title>CSS object-position</title> 
    <style> 
        #parent { 
            object-position:60% 80%; 
        } 
          
        img { 
            width:300px; 
            height:250px; 
            background-color:silver; 
            object-fit:none; 
            /* inherits the property of the parent */ 
            object-position:inherit; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green">GeeksforGeeks</h1> 
    <p>object-position:inherit</p> 
    <div id="parent"> 
        <img src= 
"https://media.geeksforgeeks.org/wp-content/uploads/sample_image.png" /> 
    </div> 
</body> 
  
</html>

輸出：

object-position:inherit

支持的瀏覽器：下麵列出了object-position屬性支持的瀏覽器：

穀歌瀏覽器
邊
火狐瀏覽器
Opera
蘋果瀏覽器

相關用法

注：本文由純淨天空篩選整理自sayantanm19大神的英文原創作品 CSS | object-position 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。