.flex {
  display: flex;
  display: -ms-flex;
  display: -webkit-flex;
}

.flex-center {
  justify-content: center;
}

.flex-cross-center {
  align-items: center;
}

.flex-grow-parent>* {
  flex-grow: 1;
}

.flex-noshrink-parent>* {
  flex-shrink: 0;
}

.flex-grow {
  flex-grow: 1;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex1 {
  flex: 1;
}

.flex_end {
  align-items: flex-end;
}

.just_flex-end {
  justify-content: flex-end;
}

@media screen and (max-width:750px) {
  .just_flex-end {
    justify-content: flex-start;
  }
}