Time required: 1hr 1. Canva Design Schoolhttps://designschool.canva.com/ Check out courses such as: https://designschool.canva.com/courses/graphic-design-basicshttps://designschool.canva.com/courses/branding-design/2. Check out this post by Hubspot:https://blog.hubspot.com/marketing/design-tips-beginners 3. Check out this course by Coursera:Graphic DesignOffered by California