.flex {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-start;
  align-content: flex-start;
  align-items: flex-start;
}
.flex-dir-row { flex-direction: row; }
.flex-dir-col { flex-direction: column; }
.flex-dir-row-rev { flex-direction: row-reverse; }
.flex-dir-col-rev { flex-direction: column-reverse; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-wrap { flex-wrap: wrap; }
.flex-wrap-rev { flex-wrap: wrap-reverse; }
.flex-justify-start { justify-content: flex-start; }
.flex-justify-end { justify-content: flex-end; }
.flex-justify-center { justify-content: center; }
.flex-justify-between { justify-content: space-between; }
.flex-justify-around { justify-content: space-around; }
.flex-align-content-start { align-content: flex-start; }
.flex-align-content-end { align-content: flex-end; }
.flex-align-content-center { align-content: center; }
.flex-align-content-between { align-content: space-between; }
.flex-align-content-around { align-content: space-around; }
.flex-align-content-stretch { align-content: stretch; }
.flex-align-items-start { align-items: flex-start; }
.flex-align-items-end { align-items: flex-end; }
.flex-align-items-center { align-items: center; }
.flex-align-items-stretch { align-items: stretch; }
.flexch {
  order: 0;
  flex: 1 1 auto;
  align-self: auto;
}