lecampus.valdedrome.com/user/themes/lecampus/scss/configurations/_mixins.scss

@mixin vertical-align($position: relative) {
  position: $position;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}

@mixin flexNowrap() {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -ms-flex-wrap: nowrap;
      flex-wrap: nowrap;
  width: 100%;
  height: $Hh;
}

@mixin inlineflex(){
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}

@mixin flexcenter(){
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

@mixin upper(){
  text-transform: uppercase;
}

@mixin flexcenter_column(){
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}