Download djagya / yii2-sparkpost / atelier-sulphurpool.light.css - Solve class 'atelier-sulphurpool.light' not found

This file is part of the package djagya/yii2-sparkpost. Please go to our download page to download this composer package and to solve the problem class 'atelier-sulphurpool.light' not found.
Download djagya/yii2-sparkpost