Developer needed to make changes to website (Squarespace, Html5 (Css)

We require three tasks to be completed:
1. Extending the CSS of an image carousel to enable mobile responsiveness of the image carousel.

Background:
- For parameter for the min/max width please see: https://gist.github.com/gokulkrishh/242e68d1ee94ad05f488.

- The source code for the carousel is referenced via CDN. The source can be found in the <script></script> of the same page (i.e. Not global).

If you look at the src parameter, you would be able to refer to the original site.

- The media for the carousel is hosted on a cloud platform due to limitations of Squarespace. You would not require access as the src can be found in the <img> tag of the carousel.

- The website is implemented and hosted on Squarespace. The carousel has been injected as custom code.

2. Ensuring images on each page of the website respond to browser size/mobile responsiveness.

3. Ensuring the three columns of text on one of the pages are aligned.

Overall, the skill that is required is HTML5, specifically CSS (cascading style sheets).