flowchart TB

subgraph ACCOUNT[AWS Account]
  subgraph GRP1[" "]
    ELB@{ img: "https://api.iconify.design/logos/aws-elb.svg", label: "ELB", pos: "b", w: 60, h: 60, constraint: "on" }
  end
  subgraph GRP2[" "]
    EC2@{ img: "https://api.iconify.design/logos/aws-ec2.svg", label: "EC2", pos: "b", w: 60, h: 60, constraint: "on" }
  end
  subgraph GRP3[" "]
    RDS@{ img: "https://api.iconify.design/logos/aws-rds.svg", label: "RDS", pos: "b", w: 60, h: 60, constraint: "on" }
  end

  ELB --- EC2 --- RDS
end

classDef vpc fill:none,color:#0a0,stroke:#0a0
class ACCOUNT vpc

classDef group fill:none,stroke:none
class GRP1,GRP2,GRP3 group

Page 1

This is something, blah

heading

how do I prveview? Oh that's how I preview.

Do you even mermaid bro?

timeline
    title History of Social Media Platform
    2002 : LinkedIn
    2006 : Twitter

Yup!

I'm a link

Section

experimental mermaid