<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Sivu</title> <style> html, body { margin: 0; width: 100%; height: 100%; background: black; } body { background-image: url("bgpicture.jpg"); background-size: cover; background-position: center; background-repeat: no-repeat; } </style> </head> <body> </body> </html>