Cómo cubrir la imagen completa en CSS
body {
background-position: center;
background-repeat: no-repeat;
background-size: cover;
}
abdullah
body {
background-position: center;
background-repeat: no-repeat;
background-size: cover;
}
body {
background: url(path/to/bg-image.jpg) no-repeat center center fixed;
background-size: cover;
}