Pull Request: Style Improvements

[hifocus]

Hi. Thanks for developing htmlpreview/htmlpreview.github.com as a widely used tool on GitHub.

Today I tried to improve the style of this repo and found it good enough and worth for a pull request. My skills are poor so please do not mind if you don't like it.

Changes

• I imported my own HTML Template for my organisation which is hxco/template to this project and customised it for a bit. Now it looks totally fine and a more straightforward vision.
• I found that the original index.html does not have any <meta> tags for SEO. So I added some of them for you.
• And also a nice logo from [iconfont.cn](http://iconfont.cn].

Deprecated

• These two paragraphs:
  or prepend to the URL: http://htmlpreview.github.io/?https://github.com/twbs/bootstrap/blob/gh-pages/2.3.2/index.html or use this bookmarklet while browsing GitHub or BitBucket: HTMLPreview The reason for that is first I want to make the page as simple as possible so two many elements might not be good; second, currently, I don't think people just won't rely on bookmarks in comparison with the past.

Preview

• You can view a live version from https://html.hxco.me/

I hope you are still having eyes on this old old project and consider to merge my pull request.

[niutech]

Thanks for your work, but please keep in mind that index.html and its assets are being loaded on each invocation of https://htmlpreview.github.io/?https://...., so it should be as small as possible with no external assets (such as Spectre). Could you please make it more lightweight, include only used CSS, etc? Thanks!

[hifocus]

Hi. Thanks for the suggestion. Spectre.css is a super lightweight CSS Framework. And I load it though jsDelivr, which is a global-optimised CDN.

Please see screenshot below, under a normal home bandwidth environment, the spectre.css can be loaded within less than 1 seconds. So I would believe that it would not have obvious effect with the general loading speed.

Please re-consider my pull request. Thanks!

[scarrrr316]

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