h1 {
    text-decoration:underline;
}
#subheader {
    text-decoration:underline;
}
.import-statements {
    color:purple;
    font-family:Georgia, 'Times New Roman', Times, serif;
}
.class-declaration {
    color:rgb(57, 15, 223);
    font-family:initial
}
.requirement {
    color:red
}