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HTML

              
                <h1>横並び プロパティ一覧</h1>


<section>
<p>インライン要素を横に並べることができる。インラインなので、横幅など指定不可。左右の余白のみ指定可</p>  
<h2>display: inline</h2>
<ul class="display_line"> 
<li><a href="#">HOME</a></li>
<li>会社概要</li>
<li>サービス</li>
<li>採用情報</li>
<li>アクセス</li>
<li>お問い合わせ</li>
  </ul>
</section>



<section>
<p>ブロック要素として扱うことができる。</p>
  <h2>display: inline-block</h2>
 
 <ul class="display_block"> 
  <li><a href="#">HOME</a></li>
<li>会社概要</li>
<li>サービス</li>
<li>アクセス</li>
<li>お問い合わせ</li>
  </ul>
</section>

<section>
    <p>親要素をdisplay: table、子要素display: table-cell とする。テーブルセル仕様になっているため融通が効きづらい。
  </p>
  <h2>display: table-cell</h2>

   <ul class="display_ta"> 
   <li><a href="#">HOME</a></li>
   <li>会社概要</li>
<li>サービス</li>
<li>採用情報</li>
<li>アクセス</li>
<li>お問い合わせ</li>
  </ul>
  </section>

<section>
<p>フレキシブルボックス</p>
  <h2>display: flex</h2>
 
 <ul class="display_flex"> 
  <li><a href="#">HOME</a></li>
<li>会社概要</li>
<li>サービス</li>
<li>アクセス</li>
<li>お問い合わせ</li>
  </ul>
</section>

<section>
  <p>浮いた状態を保つ。親要素にoverflow: hidden;の追記が必要。</p>
  <h2>float: left</h2>
<ul class="float"> 
<li><a href="#">HOME</a></li>
<li>会社概要</li>
<li>サービス</li>
<li>採用情報</li>
<li>アクセス</li>
<li>お問い合わせ</li>
</ul>
  
</section>



              
            
!

CSS

              
                
h1,h2,h3{font-weight:bold;}
h1{margin:1%;
font-size:x-large;
font-weight:bold;}

h2{margin:1em 0 0.2em;
color:#8b0000;
border-top:solid 1px #ccc;
border-bottom:solid 1px #ccc;
font-size:1.5em; 
}

section{
  font-size:0.9em;
 width:90%;
 margin:30px auto;padding:10px;
 background-color:#eee;
 line-height:1.8em;
 color:#383838;
 overflow: hidden;
border-radius:20px;
border:5px #ddd solid;
font-weight:bold;}

/*横並び一覧*/

.float li{float:left;
margin-right:0.8em;}

.display_line li{display:inline;
margin:0.2em;
}

.display_block li{
display:inline-block;
white-space:nowrap;
background-color:#333;
color:#fff;
padding:0.3em;
text-align:center;}

.display_block a{color:#aaa;}

.display_block li:hover
{background-color:red;}


/*display_table*/
.display_ta{display:table;}

ul.display_ta li{display:table-cell;
padding:0 0.4em;}

/*display_flex*/
.display_flex{
 display:flex;
  width:80%;
}

.display_flex li
{width:20%;
white-space:nowrap;}

.block
{display:block;
width:100px;
height:100px;
margin-top:20px;
background-color:#ccc;
text-align:center;}

.display_block{display:inline-block;
margin:0.2em;
}
              
            
!

JS

              
                
              
            
!
999px

Console