.border-box{	-moz-box-sizing: border-box;	-webkit-box-sizing: border-box;	-o-box-sizing: border-box;	-ms-box-sizing: border-box;	box-sizing: border-box;}.box{  display:-webkit-box;  display:-moz-box;  display:-ms-flexbox;  display:-webkit-flex;  display:flex;  }/* 主轴居中 */.flex-zCenter {  -webkit-box-pack: center;  -moz-justify-content: center;  -webkit-justify-content: center;  justify-content: center;}/* 主轴两端对齐 */.flex-zBetween {  -webkit-box-pack: justify;  -moz-justify-content: space-between;  -webkit-justify-content: space-between;  justify-content: space-between;}/* 主轴end对齐 */.flex-zEnd {  -webkit-box-pack: end;  -moz-justify-content: flex-end;  -webkit-justify-content: flex-end;  justify-content: flex-end;}/* 主轴start对齐 */.flex-zStart {  -webkit-box-pack: start;  -moz-justify-content: start;  -webkit-justify-content: start;  justify-content: start;}/* 侧轴居中 */.flex-cCenter {  -webkit-box-align: center;  -moz-align-items: center;  -webkit-align-items: center;  align-items: center;}/* 侧轴start对齐 */.flex-cStart {  -webkit-box-align: start;  -moz-align-items: start;  -webkit-align-items: start;  align-items: start;}/* 侧轴底部对齐 */.flex-cEnd {  -webkit-box-align: end;  -moz-align-items: flex-end;  -webkit-align-items: flex-end;  align-items: flex-end;}/* 侧轴文本基线对齐 */.flex-cBaseline {  -webkit-box-align: baseline;  -moz-align-items: baseline;  -webkit-align-items: baseline;  align-items: baseline;}/* 侧轴上下对齐并铺满 */.flex-cStretch {  -webkit-box-align: stretch;  -moz-align-items: stretch;  -webkit-align-items: stretch;  align-items: stretch;}/* 主轴从上到下 */.flex-zTopBottom {  -webkit-box-direction: normal;  -webkit-box-orient: vertical;  -moz-flex-direction: column;  -webkit-flex-direction: column;  flex-direction: column;}/* 主轴从下到上 */.flex-zBottomTop {  -webkit-box-pack: end;  -webkit-box-direction: reverse;  -webkit-box-orient: vertical;  -moz-flex-direction: column-reverse;  -webkit-flex-direction: column-reverse;  flex-direction: column-reverse;}/* 主轴从左到右 */.flex-zLeftRight {  -webkit-box-direction: normal;  -webkit-box-orient: horizontal;  -moz-flex-direction: row;  -webkit-flex-direction: row;  flex-direction: row;}/* 主轴从右到左 */.flex-zRightLeft {  -webkit-box-pack: end;  -webkit-box-direction: reverse;  -webkit-box-orient: horizontal;  -moz-flex-direction: row-reverse;  -webkit-flex-direction: row-reverse;  flex-direction: row-reverse;}/* 是否允许子元素伸缩 */.flex-item {  -webkit-box-flex: 1.0;  -moz-flex-grow: 1;  -webkit-flex-grow: 1;  flex-grow: 1;}/* 子元素的显示次序 */.flex-order{  -webkit-box-ordinal-group: 1;  -moz-order: 1;  -webkit-order: 1;  order: 1;}