Flexbox toolkit

flexbox-toolkit.scss

@mixin flex-column {
  display: flex;
  flex-direction: column;
}

@mixin flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

@mixin flex-center-column {
  @include flex-center;
  flex-direction: column;
}

@mixin flex-center-vert {
  display: flex;
  align-items: center;
}

@mixin flex-center-horiz {
  display: flex;
  justify-content: center;
}

// how to use:
.vertical-centered-element {
  @include flex-center-vert;
}

.horizontally-centered-element {
  flex-direction: column;
  @include flex-center-vert;
}