.flex {
  display: flex;
}
.inline-flex {
  display: inline-flex;
}
.column {
  flex-direction: column;
}

.jc-space-between {
  justify-content: space-between;
}
.jc-space-around {
  justify-content: space-around;
}
.jc-center {
  justify-content: center;
}
.jc-end {
  justify-content: flex-end;
}

.ai-center {
  align-items: center;
}

.wrap {
  flex-wrap: wrap;
}

.auto {
  flex: 1 1 0px;
}
.even {
  flex: 1 1 auto;
}
.fix {
  flex: 0 0 auto;
}