Please I want my work on the planet data table assessed. Here is the link to my work https://jsbin.com/kuxutuw/edit?html,css,output
Hi @DemolaRasaq
There are multiple errors from the HTML validator: https://validator.w3.org/nu/#textarea
I recommend pasting your code there and trying to get rid of them as a first step.
Hint: The recurring error “A table row was 12 columns wide…” happens because you need to mention all columns in <colgroup>.
When you have solved all the errors or need help with one of them, please post an updated link of your work and I’ll have another look. 
Michael