.d-f {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.d-if {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
}
.d-b {
  display: block;
}
.d-i {
  display: inline;
}
.d-ib {
  display: inline-block;
}

.fw-n {
  -ms-flex-wrap: nowrap;
      flex-wrap: nowrap;
}
.fw-w {
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}

.fd-c {
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
.fd-r {
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
}

.jc-c {
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.jc-fs {
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
}
.jc-fe {
  -webkit-box-pack: end;
      -ms-flex-pack: end;
          justify-content: flex-end;
}
.jc-sb {
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.jc-sa {
  -ms-flex-pack: distribute;
      justify-content: space-around;
}
.jc-se {
  -webkit-box-pack: space-evenly;
      -ms-flex-pack: space-evenly;
          justify-content: space-evenly;
}

.ai-c {
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.ai-fs {
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
.ai-fe {
  -webkit-box-align: end;
      -ms-flex-align: end;
          align-items: flex-end;
}
.ai-b {
  -webkit-box-align: baseline;
      -ms-flex-align: baseline;
          align-items: baseline;
}