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HTML

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HTML preprocessors can make writing HTML more powerful or convenient. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug.

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Insecure Resource

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CSS

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CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

About CSS Base

It's a common practice to apply CSS to a page that styles elements such that they are consistent across all browsers. We offer two of the most popular choices: normalize.css and a reset. Or, choose Neither and nothing will be applied.

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JavaScript

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JavaScript preprocessors can help make authoring JavaScript easier and more convenient. For instance, CoffeeScript can help prevent easy-to-make mistakes and offer a cleaner syntax and Babel can bring ECMAScript 6 features to browsers that only support ECMAScript 5.

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HTML 

              
                .wrap
  section.yoko
    h1 横書きの文章です
    p 横書きの文章です 横書きの文章です 横書きの文章です 横書きの文章です 横書きの文章です 横書きの文章です 横書きの文章です 横書きの文章です 横書きの文章です
    p 横書きの文章です 横書きの文章です
  section.tate
    
    h1 「私の個人主義」<br>夏目漱石
    p いつは生涯何ともその矛盾通りというもののために指すなまし。

    p 同時に今と抑圧隊はもちその呈ましないまでが提げけれどもおいべきをは自覚しなたから、ずいぶんにも聞こえるですででしょです。身拵えの立つましのはとうてい偶然でぼうっとですありな。恐らく向さんに講義考ある程度出入りにしなら不平そんな教師私か創作とといったご説明ないたうなと、こういう十一月も私か国家自力が向いて、岩崎さんの事ががたの私にいくらでも肝意味とあるから君教場がご発展を暮らしようにたといごお話に訊いだなが、まあけっして講義ともったいているますのに当てましう。なおそれでもご二つを頼め事もああ失礼と認めうが、この自分をも知れだがという個人から生れて得ですでしょ。そのため腰の中この警視総監はここ末にするませかと嘉納君をあったまし、知人のたくさんんというご参考んあるますと、主義の頃を金力が前でもの個性がたくさんするて得るて、どうのほかに思うてどんな上で別にしたたと潜り込むた事なので、ないですですてわざわざご個人しう方なないな。

    p 及び他人か複雑か認定が読んますから、たくさん上兄に落ちつけているだろ時よりお返事の前から帰っなけれう。次第をはよく触れけれどもしだっますませでしょば、もしあたかも並べから修養もとてもないましのです。
    p しかし同記憶へ合ってもいるませのたば、慣例にも、せっかく私か開いてありせるですたしかるれなませと落ちつくて、豆腐も聞えるがしまいでです。しかるに無論はかく一口というならんて、私をは結果末かも私のお納得は好い申しいただろ。何はもっとも担任の方を実唱道は云っば得ですうんないが、十一の錐をそう起らたにおいて注文たと、またこの自他の他が足りれて、いつかからこれの事業を矛盾がいうていうものたずと所有起しし想像いいるでた。衣食でつまり槙さんにただこう射しなのますましませ。
    img(src="//placehold.jp/150x150.png")
 
  section.yoko
    h1 横書きの文章です
    p 横書きの文章です 横書きの文章です 横書きの文章です 横書きの文章です 横書きの文章です 横書きの文章です 横書きの文章です 横書きの文章です 横書きの文章です
    p 横書きの文章です 横書きの文章です
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CSS 

              
                .wrap{
  width: 800px;
  margin: auto;
}
.yoko{
  text-align: center;
  margin: 60px 0;
  border-top: 1px solid #000;
  border-bottom: 1px solid #000;
}
.tate{
   font-size: 13px;
  font-family: monospace;
  width: 100%;
/*   height: 36em; */
  -ms-writing-mode: tb-rl;/* IE  */
  -webkit-writing-mode: vertical-rl;/* safari 9 */
  writing-mode: vertical-rl;
  -moz-column-gap: 3em;
  -moz-column-width:16em;
  -webkit-column-gap: 3em;
 -webkit-column-width:16em;
  column-gap: 3em;
  column-width:16em;
  column-fill:auto;
  h1{
    margin: 0 0 0 2em;
    display: inline-block;
  }
  p{
    // background: #cc9;
    text-indent: 1em;
    letter-spacing: 0.08em;
    letter-spacing: 1px;
    text-align: justify;
    text-justify : inter-ideograph ;/* IE */
    word-break: break-word;
    line-height: 1.8;
  }
 
}
!

JS
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999px

Console