:root {
  --color-primary: #409eff;
}
.flex {
  display: flex;
}
.flex-row {
  flex-direction: row;
}
.flex-col {
  flex-direction: column;
}
.flex-row-reverse {
  flex-direction: row-reverse;
}
.flex-1 {
  flex: 1;
}
.justify-between {
  justify-content: space-between;
}
.justify-center {
  justify-content: center;
}
.items-end {
  align-items: flex-end;
}
.items-center {
  align-items: center;
}