as-icon[strategy="bootstrap-icons"] {
    --icon-type-XXXXXXXX: url('data:[<media-type>][;base64],<data>');
    --icon-type-XXXXXXXX: url('data:image/svg+xml;charset=UTF-8,XXXXXXXX');
    --icon-type-list:   url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200" viewBox="0 0 16 16"><path fill="currentColor" fill-rule="evenodd" d="M2.5 12a.5.5 0 0 1 .5-.5h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5zm0-4a.5.5 0 0 1 .5-.5h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5zm0-4a.5.5 0 0 1 .5-.5h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5z"/></svg>');
    --icon-type-close:  url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"><path fill="currentColor" fill-rule="evenodd" d="M2.146 2.854a.5.5 0 1 1 .708-.708L8 7.293l5.146-5.147a.5.5 0 0 1 .708.708L8.707 8l5.147 5.146a.5.5 0 0 1-.708.708L8 8.707l-5.146 5.147a.5.5 0 0 1-.708-.708L7.293 8z"/></svg>');
    --icon-type-ellipsis-vertical:  url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-three-dots-vertical" viewBox="0 0 16 16"><path d="M9.5 13a1.5 1.5 0 1 1-3 0 1.5 1.5 0 0 1 3 0m0-5a1.5 1.5 0 1 1-3 0 1.5 1.5 0 0 1 3 0m0-5a1.5 1.5 0 1 1-3 0 1.5 1.5 0 0 1 3 0"/></svg>');
}