Fix style.

Author: iuyoy

README.md

@@ -13,17 +13,18 @@ Syntax highlighting support for some specific language code in string.
 ## Features & Usages
 
 - SQL
-  1. Insert sign pair `--sql` and `;` to highlight one SQL sequence.
+  1. Insert sign pair `--sql` and `;` to highlight one SQL sequence.<br>
   ![single SQL stirng with Sign](./docs/single_SQL_with_Sign.png)
-  2. Insert sign pair `--beginsql` or `--begin-sql` and `--endsql` or `--end-sql` to highlight one and more SQL suquences.
+  
+  2. Insert sign pair `--beginsql` or `--begin-sql` and `--endsql` or `--end-sql` to highlight one and more SQL suquences.<br>
   ![multi SQL stirng with Sign](./docs/multi_SQL_with_Sign.png)
-  3. Any SQL sequence starts with **UPPERCASE** keyword (such as `SELECT`, `INSERT`, `UPDATE` and etc), and ends with `;` will be highlighted automatically.
+  3. Any SQL sequence starts with **UPPERCASE** keyword (such as `SELECT`, `INSERT`, `UPDATE` and etc), and ends with `;` will be highlighted automatically.<br>
   ![SQL stirng no Sign](./docs/SQL_without_Sign.png)
 - HTML
-  - Insert sign pair `<!--html-->` and `<!--!html-->` to highlight one and more HTML suquences. Other comments can be added after `html` and `-->`.
+  - Insert sign pair `<!--html-->` and `<!--!html-->` to highlight one and more HTML suquences. Other comments can be added after `html` and `-->`.<br>
   ![HTML with Sign](./docs/HTML_with_Sign.png)
 - Other
-  - Highlight Variables in *highlighted* string code.
+  - Highlight Variables in *highlighted* string code.<br>
   ![Variables](./docs/SQL_with_variable.png)
 
 ## TODO Notes