Use Normalize.css for CSS reset
Correct the lang attribute of the html element
'学生番号' => '学籍番号'
Change pane titles
Use the up-to-date jQuery-2.0.3
Update the logo.
Preserve white spaces by CSS
Remove top margin of comment-entries
Measure comment-entries by border-box
Fix the wrong way to specify the horizontal dimension of comment-entries
Remove an unnecessary <div>
A pile of changes, fixes and improvements
Merge branch 'fix-and-refactoring'