HTML CSS列表样式更改

Question

I want to use listing in my code to get the following output -

[1]. This is my line one
[2]. This is my line two
[3]. this is my line three, which is very very long and is not justified when used under list. 

I used the following code. but did not work

<ol list-style-type: [decimal];>
<li>This is my line one</li>
<li>This is my line two</li>
<li>this is my line three, which is very very long and is not justified when used under list.</li>
</ol>

I am new to html and css coding.! The problem now i face is when i use this style long sentences are not justified under a single number. Here is how it looks like now : image.ibb.co/e8Nfda/image.png how to justify my lines?

Answer 1

Updated with your requirement :

 ol { list-style: none; counter-reset:array;} ol li{text-indent: -2em;} ol li:before { counter-increment:array; content:"[" counter(array) "]. "; } 

  <ol> <li>This is my line one This is my line one This is my line one This is my line one This is my line one This is my line one</li> <li>This is my line two</li> <li>this is my line three</li> </ol> 

Answer 2

Try this css jsfiddle

ol { list-style: none; 
counter-reset:array;}
ol li:before {
counter-increment:array;
content:"[" counter(array) "] ";
}