#banner {
background-color:yellow;
text-align: center;
}
header {
background-image: url(schoolbanner.png);
background-repeat:no-repeat;
color: white;
background-size: contain; 

#banner h1 {
color: red;
}
#banner h2.author {
color: red;
}
#banner p.homepage {
background-color:blue;
}