body {
   background-image: url("https://areagnomo.neocities.org/Images/Backgrounds/stars.gif");
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: yellow;
    
}
#header {
    width: 100%;
    height: 200px;
    background-color: rgb(24, 1, 34);
    text-align: center;
    border: 10px solid blue;
}