How to make background image responsive and cover all area

Question

hello i want to add background on my site but everytimes i do it wont fit in my website
i tried

background-size:auto;

i also tried cover it even make image worse

background-size:cover;

i tried background-size:contain; too ,good then cover but not worth it there is still lots of space

am i the only one finding this tought or does any other have same problem ?

i also tried <body background="img_url" > it doesn't help

any help will be highly appreciated

Answer 1

如果将图像的设置为100％，将高度设置为自动（我相信），它将保留图像的比例并覆盖父元素宽度的100％。