#main { position: relative; } #main:after { content : ""; display: block; position: absolute; top: 0; left: 0; background-image: ... ... <看更多>

In this tutorial I'll show you how to make the background-image of a div semi-transparent by adjusting the ... ... <看更多>

When we opt for css background image opacity, the opacity property will help to change the transparency of the background image of that element with child ... ... <看更多>

Background image opacity with CSS From http://stackoverflow.com/questions/6890218/css-background-image-opacity - new_gist_file.css. ... <看更多>