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CSS3 Flexbox 並べ方まとめ

Last updated at Posted at 2015-07-31

Flexboxプロパティをまとめてみた
今回はflex-floworder

準備


<div id="flex">
  <div class="flex-item">A</div>
  <div class="flex-item">B</div>
  <div class="flex-item">C</div>
  <div class="flex-item">D</div>
  <div class="flex-item">E</div>
  <div class="flex-item">F</div>
  <div class="flex-item">G</div>
</div>


*{
  margin: 0;
  padding: 0;
}

/* #flexを画面中央に配置 */
html,body{
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* flex-container */
#flex{
  background: #55BE2E;
  display: flex;
  width: 200px;
  height: 200px;
}

.flex-item{
  font-size: 3em;
}

flex-flow

flex-flowは flex-directionとflex-wrapをまとめて指定できるショートハンド。
flexコンテナに指定する。

flex-flow: row nowrap; (横並び 単一行)

rnw.png

flex-flow: row wrap; (横並び 複数行)

rw.png

flex-flow: row wrap-reverse; (横並び 逆順複数行)

row_wrapRE.png

flex-flow: row-reverse nowrap; (逆順横並び 単一行)

rrnw.png

flex-flow: row-reverse wrap; (逆順横並び 複数行)

rrw.png

flex-flow: row-reverse wrap-reverse; (逆順横並び 逆順複数行)

rowRE_wrapRE.png

flex-flow: column nowrap; (縦並び 単一行)

cnw.png

flex-flow: column wrap; (縦並び 複数行)

cw.png

flex-flow: column wrap-reverse; (縦並び 逆順複数行)

column_wrapRE.png

flex-flow: column-reverse nowrap; (逆順縦並び 単一行)

crnw.png

flex-flow: column-reverse wrap; (逆順縦並び 複数行)

crw.png

flex-flow: column-reverse wrap-reverse; (逆順縦並び 逆順複数行)

columnRE_wrapRE.png

order

orderはFlexアイテムの配置順序を指定できる
配置順序を変えてもDOMの構造は変わらない

order.png


.flex-item:nth-child(1){
  order: 5;
}

.flex-item:nth-child(2){
  order: 3;
}

.flex-item:nth-child(3){
  order: 2;
}

.flex-item:nth-child(4){
  order: 6;
}

.flex-item:nth-child(5){
  order: 4;
}

.flex-item:nth-child(6){
  order: 1;
}

.flex-item:nth-child(7){
  order: 7;
}

次回:CSS3 Flexbox 位置の揃え方まとめ

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