Why creating a web page we need to follow 60% about content and 40% creativity/design?

In creating a web page we need to follow 60% about content and 40% about creativity for the reason that it will fair for us. In making web page or even reports,projects and assignments content is very important and we should value it. There are some students are very creative they set aside the content because in their mind that their work looks wonderful they think that it is enough but the content is out of topic. The important of it is what we have understand about the topic or questions and our knowledge, learning's and what we have understand will be test. In the reason that it will fair for us. There are some students are good in designing/ creativity and there are some students also that have many ideas about the content but not good in creativity.It will fair for us and we know how to balance our work.