.flex {
  display: -webkit-box;      /* OLD - iOS 6-, Safari 3.1-6 */
  display: -moz-box;         /* OLD - Firefox 19- (buggy but mostly works) */
  display: -ms-flexbox;      /* TWEENER - IE 10 */
  display: -webkit-flex;     /* NEW - Chrome */
  display: flex;             /* NEW, Spec - Opera 12.1, Firefox 20+ */
}
.flex-column {
  display: -webkit-box;      /* OLD - iOS 6-, Safari 3.1-6 */
  display: -moz-box;         /* OLD - Firefox 19- (buggy but mostly works) */
  display: -ms-flexbox;      /* TWEENER - IE 10 */
  display: -webkit-flex;     /* NEW - Chrome */
  display: flex;             /* NEW, Spec - Opera 12.1, Firefox 20+ */
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
}
.flex-wrap {
  display: -webkit-box;      /* OLD - iOS 6-, Safari 3.1-6 */
  display: -moz-box;         /* OLD - Firefox 19- (buggy but mostly works) */
  display: -ms-flexbox;      /* TWEENER - IE 10 */
  display: -webkit-flex;     /* NEW - Chrome */
  display: flex;             /* NEW, Spec - Opera 12.1, Firefox 20+ */
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  align-content: flex-start;
}

.justify-start {
  -webkit-box-pack: start;
  -ms-flex-pack: start;
  justify-content: flex-start;
}
.justify-center {
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.justify-end {
  -webkit-box-pack: end;
  -ms-flex-pack: end;
  justify-content: flex-end;
}
.justify-space-between {
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}
.justify-space-around {
  justify-content: space-around;
}



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


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