Improper CSS file inclusion technique

See #62, release log:

• 497efb2 by @yegor256: #62 sudo fixed
• 7522e4f by @yegor256: #62 sudo removed
• d53a8c2 by @yegor256: #62 version
• 637b357 by @yegor256: #62 rawgit CDN
• 5d4da21: #60 added style for select[mul...
• f721464: age

Released by Rultor 1.64, see build log