Improve markdown code style.

.github/CODE_OF_CONDUCT.md

@@ -11,8 +11,7 @@ appearance, race, religion, or sexual identity and orientation.
 
 ## Our Standards
 
-Examples of behavior that contributes to creating a positive environment
-include:
+Examples of behavior that contributes to creating a positive environment include:
 
 * Using welcoming and inclusive language
 * Being respectful of differing viewpoints and experiences
@@ -22,12 +21,10 @@ include:
 
 Examples of unacceptable behavior by participants include:
 
-* The use of sexualized language or imagery and unwelcome sexual attention or
- advances
+* The use of sexualized language or imagery and unwelcome sexual attention or advances
 * Trolling, insulting/derogatory comments, and personal or political attacks
 * Public or private harassment
-* Publishing others' private information, such as a physical or electronic
- address, without explicit permission
+* Publishing others' private information, such as a physical or electronic address, without explicit permission
 * Other conduct which could reasonably be considered inappropriate in a
  professional setting
 
@@ -55,7 +52,7 @@ further defined and clarified by project maintainers.
 ## Enforcement
 
 Instances of abusive, harassing, or otherwise unacceptable behavior may be
-reported by contacting the project team at cotes.chung@gmail.com. All
+reported by contacting the project team at `cotes.chung@gmail.com`. All
 complaints will be reviewed and investigated and will result in a response that
 is deemed necessary and appropriate to the circumstances. The project team is
 obligated to maintain confidentiality with regard to the reporter of an incident.
@@ -68,9 +65,9 @@ members of the project's leadership.
 ## Attribution
 
 This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
-available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
-
-[homepage]: https://www.contributor-covenant.org
+available at <https://www.contributor-covenant.org/version/1/4/code-of-conduct.html>
 
 For answers to common questions about this code of conduct, see
-https://www.contributor-covenant.org/faq
+<https://www.contributor-covenant.org/faq>
+
+[homepage]: https://www.contributor-covenant.org

.github/ISSUE_TEMPLATE/bug_report.md

@@ -12,11 +12,10 @@ labels: bug
 - [ ] There are no similar reports on existing issues (including closed ones).
 - [ ] I found the bug on the latest code of `master` branch.
 
-
 ## Describe the bug
 <!-- A clear and concise description of what the bug is. -->
 
-**To Reproduce**
+### To Reproduce
 
 Steps to reproduce the behavior:
 
@@ -25,25 +24,24 @@ Steps to reproduce the behavior:
 3. Scroll down to '....'
 4. See error
 
-
-**Expected behavior**
+### Expected behavior
 <!-- A clear and concise description of what you expected to happen. -->
 
-**Screenshots**
+### Screenshots
 <!-- If applicable, add screenshots to help explain your problem. -->
 
-**Desktop**
+### Desktop
 <!-- Please complete the following information -->
- - OS: [e.g. iOS]
- - Browser: [e.g. chrome, safari]
- - Version: [e.g. 22]
+- OS: [e.g. iOS]
+- Browser: [e.g. chrome, safari]
+- Version: [e.g. 22]
 
-**Smartphone**
+### Smartphone
 <!-- please complete the following information -->
- - Device: [e.g. iPhone6]
- - OS: [e.g. iOS8.1]
- - Browser: [e.g. stock browser, safari]
- - Version: [e.g. 22]
+- Device: [e.g. iPhone6]
+- OS: [e.g. iOS8.1]
+- Browser: [e.g. stock browser, safari]
+- Version: [e.g. 22]
 
-**Additional context**
+### Additional context
 <!-- Add any other context about the problem here. -->

.github/PULL_REQUEST_TEMPLATE.md

@@ -16,7 +16,7 @@ Please select the desired item checkbox and change it to "[x]", then delete opti
 - [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
 - [ ] Documentation update
 
-## How has this been tested?
+## How has this been tested
 
 <!-- 
 Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration
@@ -25,16 +25,15 @@ Please describe the tests that you ran to verify your changes. Provide instructi
 - [ ] I have run `bash ./tools/build.sh && bash ./tools/test.sh` (at the root of the project) locally and passed
 - [ ] I have tested this feature in the browser
 
-**Test Configuration**
+### Test Configuration
 
-* Browerser type & version:
-* Operating system:
-* Bundler version:
-* Ruby version:
-* Jekyll version:
+- Browerser type & version:
+- Operating system:
+- Bundler version:
+- Ruby version:
+- Jekyll version:
 
-
-## Checklist:
+### Checklist
 <!-- Select checkboxes by change the "[ ]" to "[x]" -->
 - [ ] My code follows the [Google style guidelines](https://google.github.io/styleguide/)
 - [ ] I have performed a self-review of my own code