Hintergrundfarbe CSS RGB
body {
background-color: rgb(255,255,255);
}
Aggressive Alligator
body {
background-color: rgb(255,255,255);
}div {
opacity:25% ;
}//javascript type css:
document.body.style.backgroundColor = "blue";
// or inline css:
<div style="background-color: blue;"></div><"tag" bgcolor="Value">