mixin status-indicator(status)
    -
        let size = attributes.size || 100;
        let classes = {
            'o-status-indicator':            true,
            ['o-status-indicator--' + size]: true,
        }
        classes['is-' + status] = true
        if (attributes.class) {
            classes[attributes.class] = true;
        }

    div(class=classes)