## alter

Markup is similar to fenced code blocks. Valid container types are `success`, `info`, `warning` and `error`.

::: success
You have got it.
:::

::: info
You have new mail.
:::

::: warning
You have new mail.
:::

::: error
Staying up all night is bad for health.
:::

```mermaid
graph TD;
    A-->B;
    A-->C;
    B-->D;
    C-->D;
```


```AsciiMath
oint_Cx^3 dx+4y^2 dy

2=(((3-x)xx2)/(3-x))

sum_(m=1)^oosum_(n=1)^oo(m^2 n)/(3^m(m3^n+n3^m)
```


```
sequenceDiagram
    participant Alice
    participant Bob
    Alice->John: Hello John, how are you?
    loop Healthcheck
        John->John: Fight against hypochondria
    end
    Note right of John: Rational thoughts <br/>prevail...
    John-->Alice: Great!
    John->Bob: How about you?
    Bob-->John: Jolly good!
```