# Shortcodes

## Expand shortcode

### Default

```tpl
{{</* expand */>}}
## Markdown content
Lorem markdownum insigne...
{{</* /expand */>}}
```

{{< expand >}}
## Markdown content
Lorem markdownum insigne...
{{< /expand >}}

### With Custom Label

```tpl
{{</* expand "Custom Label" "..." */>}}
## Markdown content
Lorem markdownum insigne...
{{</* /expand */>}}
```

{{< expand "Custom Label" "..." >}}
## Markdown content
Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
protulit, sed sed aere valvis inhaesuro Pallas animam: qui _quid_, ignes.
Miseratus fonte Ditis conubia.
{{< /expand >}}

## Buttons

```tpl
{{</* button relref="/" [class="..."] */>}}Get Home{{</* /button */>}}
{{</* button href="https://github.com/alex-shpak/hugo-book" */>}}Contribute{{</* /button */>}}
```

{{< button relref="/" >}}Get Home{{< /button >}}
{{< button href="https://github.com/alex-shpak/hugo-book" >}}Contribute{{< /button >}}

## Tabs

```tpl
{{</* tabs "uniqueid" */>}}
{{</* tab "MacOS" */>}} # MacOS Content {{</* /tab */>}}
{{</* tab "Linux" */>}} # Linux Content {{</* /tab */>}}
{{</* tab "Windows" */>}} # Windows Content {{</* /tab */>}}
{{</* /tabs */>}}
```

{{< tabs "uniqueid" >}}
{{< tab "MacOS" >}}
# MacOS

This is tab **MacOS** content.

Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
protulit, sed sed aere valvis inhaesuro Pallas animam: qui _quid_, ignes.
Miseratus fonte Ditis conubia.
{{< /tab >}}

{{< tab "Linux" >}}

# Linux

This is tab **Linux** content.

Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
protulit, sed sed aere valvis inhaesuro Pallas animam: qui _quid_, ignes.
Miseratus fonte Ditis conubia.
{{< /tab >}}

{{< tab "Windows" >}}

# Windows

This is tab **Windows** content.

Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
protulit, sed sed aere valvis inhaesuro Pallas animam: qui _quid_, ignes.
Miseratus fonte Ditis conubia.
{{< /tab >}}
{{< /tabs >}}

## Columns

```html
{{</* columns */>}} <!-- begin columns block -->
# Left Content
Lorem markdownum insigne...

<---> <!-- magic sparator, between columns -->

# Mid Content
Lorem markdownum insigne...

<---> <!-- magic sparator, between columns -->

# Right Content
Lorem markdownum insigne...
{{</* /columns */>}}
```

{{< columns >}}
## Left Content
Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
protulit, sed sed aere valvis inhaesuro Pallas animam: qui _quid_, ignes.
Miseratus fonte Ditis conubia.

<--->

## Mid Content
Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
stringit, frustra Saturnius uteroque inter!

<--->

## Right Content
Lorem markdownum insigne. Olympo signis Delphis! Retexi Nereius nova develat
stringit, frustra Saturnius uteroque inter! Oculis non ritibus Telethusa
protulit, sed sed aere valvis inhaesuro Pallas animam: qui _quid_, ignes.
Miseratus fonte Ditis conubia.
{{< /columns >}}


## Mermaid Chart

{{< columns >}}
```tpl
{{</* mermaid [class="text-center"]*/>}}
sequenceDiagram
    Alice->>Bob: Hello Bob, how are you?
    alt is sick
        Bob->>Alice: Not so good :(
    else is well
        Bob->>Alice: Feeling fresh like a daisy
    end
    opt Extra response
        Bob->>Alice: Thanks for asking
    end
{{</* /mermaid */>}}
```

<--->

{{< mermaid >}}
sequenceDiagram
    Alice->>Bob: Hello Bob, how are you?
    alt is sick
        Bob->>Alice: Not so good :(
    else is well
        Bob->>Alice: Feeling fresh like a daisy
    end
    opt Extra response
        Bob->>Alice: Thanks for asking
    end
{{< /mermaid >}}

{{< /columns >}}


## KaTeX

{{< columns >}}

```
$$ x = \begin{cases}
   a &\text{if } b \\
   c &\text{if } d
\end{cases} $$
```

<--->

{{< katex >}}
$$ x = \begin{cases}
   a &\text{if } b \\
   c &\text{if } d
\end{cases} $$
{{< /katex >}}

{{< /columns >}}