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Author Archives: Mark DuBois
When working with CSS, we have all experienced using various units (such as em or px). Can you provide me a complete list of all valid CSS units. Yes, all valid ones. First to provide this wins bragging rights and … Continue reading
For my puzzler this month, I pose this challenge… When developing a website to display on mobile devices (as well as the desktop),we often use media queries. What if… your client doesn’t want you to use media queries. Are there … Continue reading
The spring semester starts this week. I thought it might be appropriate to review a simple error which I see all too often. In this case, I am working with an experimental feature in CSS called CSS grids. I would … Continue reading
This is one that happens from time to time. Yes, there is a simple explanation. I have seen this in source code as well as on web pages created by students. Why does the symbol � show up in a … Continue reading
Ok, this is a pretty simple one (but often represents the sorts of problems I encounter from students). Here is the result I seek: However, I don’t seem to be able to get this working. It seems to be mostly … Continue reading
Here are a few acronyms. I am curious if you know what these stand for? Please place your answers in the comments. These are all related to web design and development. First one to include a comment with all correct … Continue reading
If you think it is easy teaching HTML, CSS and related web technologies… Let’s see how long it takes you to figure out these puzzlers. I plan to provide one periodically. Keep in mind these are real problems that students … Continue reading
During the last week of June, I helped run the WebProfessionals.org national web design contest (held in Kansas City, Missouri under the auspices of SkillsUSA). Details of the contest (as well as past winners) can be found at WebDesignContest.org. Over … Continue reading
I returned from my recent trip to speak at MPICT So. California on web analytics, business intelligence and big data and found a copy of this book waiting for me. I was asked to review this book prior to publication … Continue reading
Now that the 2013 Illinois Web Design Contest is history, I thought it might be appropriate to share some thoughts and observations. First, congratulations to everyone who participated (in either the secondary or post-secondary contest). You took the extra effort … Continue reading