You need basic html, I like to use [w3schools/html](https://www.w3schools.com/html/default.asp). And basic css, also covered by [w3schools/css](https://www.w3schools.com/css/default.asp). Get familiar with [w3.css](https://www.w3schools.com/w3css/default.asp). Make sure you check your changes in different browsers, and (when live) from different platforms.
## Publishing
Live version is here: [http://qim.compute.dtu.dk/data-repository/](http://qim.compute.dtu.dk/data-repository/)!
To change the live version, update and add files at `/www/sites/qim.compute.dtu.dk/data-repository`. For example, in command line, you can use ssh or sftp to connect to server `thinlinc.compute.dtu.dk` then navigate to `/www/sites/qim.compute.dtu.dk/data-repository` and transfer files.