Rumah >hujung hadapan web >tutorial css >Nilai kotak kandungan CSS
Gunakan sifat CSSlatar belakang-asal untuk menetapkan nilai kotak kandungan. Dengan nilai kotak kandungan, imej latar belakang bermula di sudut kiri atas kandungan.
Anda boleh cuba menjalankan kod berikut untuk melaksanakan nilai kotak kandungan:
Demo Langsung
<!DOCTYPE html> <html> <head> <style> #value1 { border: 3px solid blue; padding: 30px; background: url(https://www.tutorialspoint.com/assets/videotutorials/courses/html_online_training/380_course_216_image.jpg); background-repeat: no-repeat; background-origin: padding-box; } #value2 { border: 3px solid orange; padding: 30px; background: url(https://www.tutorialspoint.com/assets/videotutorials/courses/html_online_training/380_course_216_image.jpg); background-repeat: no-repeat; background-origin: border-box; } #value3 { border: 3px dashed yellow; padding: 30px; background: url(https://www.tutorialspoint.com/assets/videotutorials/courses/html_online_training/380_course_216_image.jpg); background-repeat: no-repeat; background-origin: content-box; } </style> </head> <body> <h1>padding-box value</h1> <div id = "value1"> <h2>Heading 2</h2> <p>This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. <h3>Heading 3</h3> This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text.</p> </div> <h1>border-box value</h1> <div id = "value2"> <h2>Heading 2</h2> <p>This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. <h3>Heading 3</h3> This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text.</p> </div> <h1>content-box value</h1> <div id = "value3"> <h2>Heading 2</h2> <p>This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. <h3>Heading 3</h3> This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text.</p> </div> </body> </html>
Atas ialah kandungan terperinci Nilai kotak kandungan CSS. Untuk maklumat lanjut, sila ikut artikel berkaitan lain di laman web China PHP!