Background គឺជា property មួយត្រូវប្រើប្រាស់សំរាប់រចនាផ្ទៃ element ទាំងមូលអោយមានពណ៌ឬរូបភាពទៅតាមអ្វីៗដែលយើងចង់បាន។ Background ត្រូវចែកចេញជា preperty ដោយឡែកផ្សេងៗគ្នាមួយចំនួនទៀត មានដូចជា background-color, background-image, background-repeat, background-attachment, background-position ជាដើម។
background-color ត្រូវប្រើប្រាស់សំរាប់រចនាពណ៌នៃផ្ទៃរបស់ element ទាំងមូល។
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>CSS Background</title>
<style>
body {
background-color: lightblue;
}
</style>
</head>
<body>
Hello World!
This page has a light blue background color!
</body>
</html>
Hello World!
This page has a light blue background color!
background-image ត្រូវប្រើប្រាស់សំរាប់យករូបភាពផ្សេងៗមកបិទនៅលើផ្ទៃរបស់ element ។ ហើយបើរូបភាពដែលត្រូវយកមកបិទនោះ មានទំហំមិនពេញផ្ទៃរបស់ element ទេ រូបភាពនោះនឹងត្រូវចំលងចេញជាច្រើនរូបភាព ដើម្បីបិទនៅលើផ្ទៃ element អោយបានពេញទាំងអស់។
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>CSS Background</title>
<style>
body {
background-image: url("wood.jpg");
}
</style>
</head>
<body>
Hello World!
This page has a light blue background color!
</body>
</html>
Hello World!
This page has an image as the background!
background-repeat ត្រូវយកទៅប្រើប្រាស់ជាមួយនឹង background-image ដើម្បីកំណត់ពីការចំលងរូបភាពដែលត្រូវចំលងយកទៅបិទនៅផ្ទៃ element ។ តំលៃសំរាប់ property នេះ អាចជា no-repeat, repeat-x, repeat-y ។
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>CSS Background</title>
<style>
body {
background-image: url("wood.jpg");
background-repeat: repeat-x;
}
</style>
</head>
<body>
Hello World!
Here, a background image is repeated only horizontally!
</body>
</html>
Hello World!
Here, a background image is repeated only horizontally!
background-attachment ត្រូវប្រើប្រាស់ជាមួយនឹង background-image ដើម្បីកំណត់អោយរូបភាពដែលត្រូវយកទៅបិទលើផ្ទៃរបស់ element ត្រូវរំកិលតាមផ្ទៃ element ជាប់រហូតឬយ៉ាងណា។ ហើយបើយើងផ្តល់តំលៃអោយ property នេះជា fixed បានន័យថាជាការកំណត់អោយរូបភាពរំកិលតាមផ្ទៃ element ដល់តែត្រឹមផ្ទៃខាងលើគេបង្អស់នៃ browser តែប៉ុណ្ណោះ។ តែបើយើងផ្តល់តំលៃអោយ property នេះជា scroll វិញ រូបភាពនឹងរំកិលតាមផ្ទៃ browser រហូត។
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>CSS Background</title>
<style>
body {
background-image: url("wood.jpg");
background-repeat: repeat-x;
background-attachment: fixed;
}
</style>
</head>
<body>
The background-attachment Property
The background-attachment property specifies whether the background image should scroll or be fixed (will not scroll with the rest of the page).
Tip: If you do not see any scrollbars, try to resize the browser window.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
</body>
</html>
The background-attachment Property
The background-attachment property specifies whether the background image should scroll or be fixed (will not scroll with the rest of the page).
Tip: If you do not see any scrollbars, try to resize the browser window.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
យ៉ាងណាម៉ិញ បណ្តា property ខាងលើនេះ អាចត្រូវបង្រួមមកអោយមកនៅត្រឹមតែ background តែមួយបាន ដោយធ្វើដូចខាងក្រោមនេះ៖
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>CSS Background</title>
<style>
body {
background: lightblue url("wood.jpg") repeat-x fixed;
}
</style>
</head>
<body>
The background-attachment Property
The background-attachment property specifies whether the background image should scroll or be fixed (will not scroll with the rest of the page).
Tip: If you do not see any scrollbars, try to resize the browser window.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
</body>
</html>
The background-attachment Property
The background-attachment property specifies whether the background image should scroll or be fixed (will not scroll with the rest of the page).
Tip: If you do not see any scrollbars, try to resize the browser window.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.














