list.

b.iil:before,
b.iil:after {
    display: inline;
    content: icon(right) "generated content" icon(left);
    color: navy;
}

paragraph.

b.iip:before,
b.iip:after {
    display: inline;
    content: paragraph(content(icon(right), "generated content", icon(left)),
                       border-width, 1, 
                       border-style, solid);
    color: navy;
}

division.

b.iid:before,
b.iid:after {
    display: inline;
    content: division(content(icon(down), "generated content", icon(up)),
                      border-width, 1, 
                      border-style, solid);
    color: navy;
}

rows, row or cell (all three give a table).

b.iir:before,
b.iir:after {
    display: inline;
    content: row(cell(icon(right)), 
                 cell("generated content"), 
                 cell(icon(left)),
                 border-width, 1, 
                 border-style, solid);
    color: navy;
}