Link to the CSS exercise: http://imanas.shanghai.nyu.edu/~trp297/week2/css-external-example/indexcss.html
I find quite a lot of difficulties in this task. One of the major ones is that I couldn’t position the box in a row rather than the given column. I found out that it is because I used flex-direction: row in the div for content-box rather than content. Another issue is that the margin of many of the different categories such as header, footer, and navigation box take excessive space. For instance, my content part does not move upward towards the top of the page because the navigation box takes too much space. Therefore, I need to define the width and the height as well as adding the code of display: inline-box. This is very challenging for me, however, I learned a lot from this process.