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">