style.css

html {
    background-color: #ffffff;
    background-image: url('bg.png'); 
    font-family: sans-serif;
    font-size: 14px;
}

#video_background {
position: absolute;
bottom: 0px; 
right: 0px;
min-width: 100%;
min-height: 100%;
z-index: -1000;
overflow: hidden;
}

#innhold {
position:absolute;
top:110px;
}
#topmenu {
    width: 249px;
    height: 28px;
    position:absolute;
    left:4px;
    top:4px;
    background-image: url('topmenu.png'); 
    padding-top: 10px;
}

#topmenu:hover {
    background-image: url('topmenublank.png'); 
}

#topmenulink {
    width: 238px;
    height: 15px;
    position:absolute;
    left:4px;
    top:9px;
    background-image: url('topmenublank.png'); 
    padding-top: 10px;
     
}

#topmenulink:hover {
    background-image: url('oneparametergroup.png'); 
}

#midmenu {
    width: 205px;
    height: 23px;
    position:absolute;
    left:4px;
    top:36px;
    background-image: url('midmenu.png'); 
    padding-top: 7px;
     padding-left: 7px;
    color: rgba(0, 0, 0, 0);
    font-size: 17px;
    font-family: Arial, sans-serif;
}

#midmenu:hover {
    background-image: url('midmenublank.png'); 
    color: rgba(0, 0, 0, 1);
}

#botmenu {
    width: 166px;
    height: 20px;
        position:absolute;
    left:4px;
    top:64px;
    background-image: url('botmenu.png'); 
    padding-top: 7px;
    padding-left: 7px;
    color: rgba(0, 0, 0, 0);
    font-size: 17px;
    font-family: Arial, sans-serif;
}

#botmenu:hover {
    background-image: url('botmenublank.png'); 
    color: rgba(0, 0, 0, 1);
    
}