applyCommonStyle(shadow) {
        if (shadow.adoptedStyleSheets) {
            this._applyConstructed(shadow);
        } else {
            this._applyRepeated(shadow);
        }
    }
// check if a constructed stylesheet can be used or if the style need to be repeated
check if a constructed stylesheet can be used or if the style need to be repeated
check if a constructed stylesheet can be used or if the style need to be repeated
applyCommonStyle(shadow) {
        if (shadow.adoptedStyleSheets) {
            this._applyConstructed(shadow);
        } else {
            this._applyRepeated(shadow);
        }
    }
applyCommonStyle ( shadow ) { if ( shadow . adoptedStyleSheets ) { this . _applyConstructed ( shadow ) ; } else { this . _applyRepeated ( shadow ) ; } }
check if a constructed stylesheet can be used or if the style need to be repeated
check if a constructed stylesheet can be used or if the style need to be repeated