.is-style-cnvs-block-alert-primary{border-left-color:#007bff}.is-style-cnvs-block-alert-secondary{border-left-color:#6c757d}.is-style-cnvs-block-alert-light{border-left-color:#f8f9fa}.is-style-cnvs-block-alert-dark{border-left-color:#343a40}