background image css is not loading code example

Example 1: background-image url not working

background-image: url(nickcage.jpg); // No quotes around the file name so just write it down without "nickcage".jpg

Example 2: css background image is not show change default picture

$("html").css({ "background-image": "url('../images/pattern%20copy.png'), url('../images/visuals/visual3-edit.jpg')", "background-position": "center", "background-repeat": "no-repeat", "background-attachment": "fixed"  });