This is a quick reference cheat sheet to the Markdown syntax.
# h1
## h2
### h3
#### h4
##### h5
###### h6
Header 1
========
Header 2
--------
> This is
> a blockquote
>
> > Nested
> > Blockquote
* Item 1
* Item 2
    * item 3a
    * item 3b
or
- Item 1
- Item 2
or
+ Item 1
+ Item 2
or
- [ ] Checkbox off
- [x] Checkbox on
1. Item 1
2. Item 2
    a. item 3a
    b. item 3b
[link](http://google.com)
[link][google]
[google]: http://google.com
<http://google.com>
*italic*
_italic_
**bold**
__bold__
`inline code`
~~struck out~~
Hyphens
---
Asterisks
***
Underscores
___
```javascript
console.log("This is a block code")
```
~~~css
.button { border: none; }
~~~
    4 space indent makes a code block
`Inline code` has back-ticks around it
| Left column | Center column | Right column |
|:------------|:-------------:|-------------:|
| Cell 1      |   Centered    |        $1600 |
| Cell 2      |    Cell 3     |          $12 |
Simple style
Left column | Center column | Right column
:----------:|:-------------:|:-----------:
   Cell 1   |   Centered    |    $1600
   Cell 2   |    Cell 3     |     $12
A markdown table generator: tableconvert.com
| Characters | Escape | Description | 
|---|---|---|
| \ | \\ | backslash | 
| ` | \` | backtick | 
| * | \* | asterisk | 
| _ | \_ | underscore | 
| {} | \{} | curly braces | 
| [] | \[] | square brackets | 
| () | \() | parentheses | 
| # | \# | hash mark | 
| + | \+ | plus sign | 
| - | \- | minus sign (hyphen) | 
| . | \. | dot | 
| ! | \! | exclamation mark |