background 100%

by Danilo Metzker

HTML

<header>
    <div class="menu"></div>
</header>

CSS

header{
    background:url("http://intrawallpaper.com/wp-content/uploads/cat-wallpaper-animals.jpg") no-repeat center fixed;;
    background-size:cover;
    height:300px;
}

.menu{
    height:40px;
    background:red;
}