Fit website background image to screen size

Question

I\'m just starting on a website and I already encounter a small problem where I can\'t find a specific solution to.

I wanted to make my website background fit any sc

Answer 1

background: url("../image/b21.jpg") no-repeat center center fixed;

background-size: 100% 100%;

height: 100%;

position: absolute; 

width: 100%;