# Attribute Styling (ERD)

![Attribute Styling](https://help.gocapable.com/images/att1227227320.svg)

```
title {label: "Styled entities and attributes", size: "16"}

[User] {bgcolor: "#e8f5e9"}
  *id {label: "uuid, PK"}
  email {label: "varchar(255), unique, not null"}
  created_at {label: "timestamptz, default now()"}

[Profile] {bgcolor: "#e3f2fd"}
  *user_id {label: "uuid, FK"}
  display_name {label: "varchar(100), null"}
  avatar_url {label: "text, null"}

[Session] {bgcolor: "#fff3e0"}
  *id {label: "uuid, PK"}
  +user_id {label: "uuid, FK, not null"}
  expires_at {label: "timestamptz, not null"}

User *--1 Profile {label: "has one"}
User 1--* Session {label: "has many"}
```