HTML and CSS styles beginners often encounter bug fix bug site template huge

I am also a novice web front-end, has had Java and C # related work experience, because the interest problem will transfer the technical learning direction to the front-end development direction, is currently learning the foundation.
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Since both HTML and CSS are static code and cannot be debugged dynamically, some bugs are not easy to find and are difficult for beginners to get started with. However, many times, the search for one hours, and finally may find that it is only the class name less write or wrong write a letter just embarrassed, indeed more people collapse ...

Here is a little summary of the causes of the bugs encountered these days, hoping to provide some ideas for beginners.

1 a position less semicolon
2 multiple spaces in a location
3 class misspelled.
4 spelling errors in a class name
5 fewer spaces between multiple classes of names
6 Label Nesting position error
7 label not closed
8 Insufficient permissions
9 margin and padding use error
10 not given width/height
11 No clear float
12 levels of issues that are overwritten by a layer and cannot be displayed
Continuous learning ... In the future will be updated learning experience Blog, continue to work!!

HTML and CSS styles beginners often encounter bug fix bug site template huge