Common HTML code supported in Amazon description:
1. Line change < br >
The first line < br >
The second line < br >
The third line
2. Coarsening < B ></b>
<b> What needs to be bolstered</b>
3. Text size
<p style="font-size:10px">Contents that require text size</p>
(Changing font size by changing 10px, e.g. 14px is larger than 10px font display)
4. Text color
<p style="color:#fff000">Contents that need to be color-coded</p>
5. Literary italics
<p style= "font-style: italic">Contents that need to be set in italics</p>
6. Text underline code
<p style="text-decoration: underline">Contents that need to be underlined</p>
7. Text Delete Line Code
<p style= "text-decoration: line-through"> Contents requiring text deletion lines</p>