flex.css

/* 定义元素是flex*/
.flex {
    display: box;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
}

/* 主轴方向从左到右 */

.flex-zLeftRight {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -webkit-flex-direction: row;
    -moz-flex-direction: row;
    -ms-flex-direction: row;
    -o-flex-direction: row;
    flex-direction: row;
}

/* 主轴方向从右到左 */

.flex-zRightLeft {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
    -webkit-flex-direction: row-reverse;
    -ms-flex-direction: row-reverse;
    flex-direction: row-reverse;
    -webkit-box-pack: end
}

/* 主轴方向从上到下 */

.flex-zTopBottom {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column
}

/* 主轴方向从下到上 */

.flex-zBottomTop {
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
    -webkit-flex-direction: column-reverse;
    -ms-flex-direction: column-reverse;
    flex-direction: column-reverse;
    -webkit-box-pack: end;
}

/* 主轴start对齐 */

.flex-zStart {
    -webkit-box-pack: start;
    -webkit-justify-content: flex-start;
    -ms-flex-pack: start;
    justify-content: flex-start
}

/* 主轴end对齐 */

.flex-zEnd {
    -webkit-box-pack: end;
    -webkit-justify-content: flex-end;
    -ms-flex-pack: end;
    justify-content: flex-end
}

/* 主轴两端对齐 */

.flex-zJustify {
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between
}

/* 主轴居中对齐 */

.flex-zCenter {
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center
}

/* 侧轴start对齐 */

.flex-cStart{
    -webkit-box-align: start;
    -webkit-align-items: flex-start;
    -ms-flex-align: start;
    align-items: flex-start
}

/* 侧轴end对齐 */

.flex-cEnd {
    -webkit-box-align: end;
    -webkit-align-items: flex-end;
    -ms-flex-align: end;
    align-items: flex-end
}

/* 侧轴居中对齐 */

.flex-cCenter {
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center
}

/* 侧轴文本基线对齐 */

.flex-cBaseline {
    -webkit-box-align: baseline;
    -webkit-align-items: baseline;
    -ms-flex-align: baseline;
    align-items: baseline
}

/* 侧轴上下对齐并铺满 */

.flex-cStretch {
    -webkit-box-align: stretch;
    -webkit-align-items: stretch;
    -ms-flex-align: stretch;
    align-items: stretch
}

/* 换行 */
.flex-wrap{
    -webkit-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    -o-flex-wrap: wrap;
    flex-wrap:wrap;
}
/* 不换行 */
.flex-nowrap{
    -webkit-flex-wrap: nowrap;
    -moz-flex-wrap: nowrap;
    -ms-flex-wrap: nowrap;
    -o-flex-wrap: nowrap;
    flex-wrap:nowrap;
}

/* [flex~="box:mean"]>*,
[flex~="box:first"]>*,
[flex~="box:last"]>*,
[flex~="box:justify"]>* {
    width: 0;
    height: auto;
    -webkit-box-flex: 1;
    -webkit-flex-grow: 1;
    -ms-flex-positive: 1;
    flex-grow: 1;
    -webkit-flex-shrink: 1;
    -ms-flex-negative: 1;
    flex-shrink: 1
}

[flex~="box:first"]>:first-child,
[flex~="box:last"]>:last-child,
[flex~="box:justify"]>:first-child,
[flex~="box:justify"]>:last-child {
    width: auto;
    -webkit-box-flex: 0;
    -webkit-flex-grow: 0;
    -ms-flex-positive: 0;
    flex-grow: 0;
    -webkit-flex-shrink: 0;
    -ms-flex-negative: 0;
    flex-shrink: 0
}

[flex~="dir:top"][flex~="box:mean"]>*,
[flex~="dir:top"][flex~="box:first"]>*,
[flex~="dir:top"][flex~="box:last"]>*,
[flex~="dir:top"][flex~="box:justify"]>*,
[flex~="dir:bottom"][flex~="box:mean"]>*,
[flex~="dir:bottom"][flex~="box:first"]>*,
[flex~="dir:bottom"][flex~="box:last"]>*,
[flex~="dir:bottom"][flex~="box:justify"]>* {
    width: auto;
    height: 0;
    -webkit-box-flex: 1;
    -webkit-flex-grow: 1;
    -ms-flex-positive: 1;
    flex-grow: 1;
    -webkit-flex-shrink: 1;
    -ms-flex-negative: 1;
    flex-shrink: 1
}

[flex~="dir:top"][flex~="box:first"]>:first-child,
[flex~="dir:top"][flex~="box:last"]>:last-child,
[flex~="dir:top"][flex~="box:justify"]>:first-child,
[flex~="dir:top"][flex~="box:justify"]>:last-child,
[flex~="dir:bottom"][flex~="box:first"]>:first-child,
[flex~="dir:bottom"][flex~="box:last"]>:last-child,
[flex~="dir:bottom"][flex~="box:justify"]>:first-child [flex~="dir:bottom"][flex~="box:justify"]>:last-child {
    height: auto;
    -webkit-box-flex: 0;
    -webkit-flex-grow: 0;
    -ms-flex-positive: 0;
    flex-grow: 0;
    -webkit-flex-shrink: 0;
    -ms-flex-negative: 0;
    flex-shrink: 0
}

[flex-box="0"] {
    -webkit-box-flex: 0;
    -webkit-flex-grow: 0;
    -ms-flex-positive: 0;
    flex-grow: 0;
    -webkit-flex-shrink: 0;
    -ms-flex-negative: 0;
    flex-shrink: 0
}

[flex-box="1"] {
    -webkit-box-flex: 1;
    -webkit-flex-grow: 1;
    -ms-flex-positive: 1;
    flex-grow: 1;
    -webkit-flex-shrink: 1;
    -ms-flex-negative: 1;
    flex-shrink: 1
}

[flex-box="2"] {
    -webkit-box-flex: 2;
    -webkit-flex-grow: 2;
    -ms-flex-positive: 2;
    flex-grow: 2;
    -webkit-flex-shrink: 2;
    -ms-flex-negative: 2;
    flex-shrink: 2
}

[flex-box="3"] {
    -webkit-box-flex: 3;
    -webkit-flex-grow: 3;
    -ms-flex-positive: 3;
    flex-grow: 3;
    -webkit-flex-shrink: 3;
    -ms-flex-negative: 3;
    flex-shrink: 3
}

[flex-box="4"] {
    -webkit-box-flex: 4;
    -webkit-flex-grow: 4;
    -ms-flex-positive: 4;
    flex-grow: 4;
    -webkit-flex-shrink: 4;
    -ms-flex-negative: 4;
    flex-shrink: 4
}

[flex-box="5"] {
    -webkit-box-flex: 5;
    -webkit-flex-grow: 5;
    -ms-flex-positive: 5;
    flex-grow: 5;
    -webkit-flex-shrink: 5;
    -ms-flex-negative: 5;
    flex-shrink: 5
}

[flex-box="6"] {
    -webkit-box-flex: 6;
    -webkit-flex-grow: 6;
    -ms-flex-positive: 6;
    flex-grow: 6;
    -webkit-flex-shrink: 6;
    -ms-flex-negative: 6;
    flex-shrink: 6
}

[flex-box="7"] {
    -webkit-box-flex: 7;
    -webkit-flex-grow: 7;
    -ms-flex-positive: 7;
    flex-grow: 7;
    -webkit-flex-shrink: 7;
    -ms-flex-negative: 7;
    flex-shrink: 7
}

[flex-box="8"] {
    -webkit-box-flex: 8;
    -webkit-flex-grow: 8;
    -ms-flex-positive: 8;
    flex-grow: 8;
    -webkit-flex-shrink: 8;
    -ms-flex-negative: 8;
    flex-shrink: 8
}

[flex-box="9"] {
    -webkit-box-flex: 9;
    -webkit-flex-grow: 9;
    -ms-flex-positive: 9;
    flex-grow: 9;
    -webkit-flex-shrink: 9;
    -ms-flex-negative: 9;
    flex-shrink: 9
}

[flex-box="10"] {
    -webkit-box-flex: 10;
    -webkit-flex-grow: 10;
    -ms-flex-positive: 10;
    flex-grow: 10;
    -webkit-flex-shrink: 10;
    -ms-flex-negative: 10;
    flex-shrink: 10
} */