hunk.code_window: export function concat<O1 extends ObservableInput<any>, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>>(v1: O1, v2: O2, v3: O3, scheduler: SchedulerLike): Observable<ObservedValueOf<O1> | ObservedValueOf<O2> | ObservedValueOf<O3>>;
   /** @deprecated Use {@link scheduled} and {@link concatAll} (e.g. `scheduled([o1, o2, o3], scheduler).pipe(concatAll())`) */
   export function concat<O1 extends ObservableInput<any>, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, O4 extends ObservableInput<any>>(v1: O1, v2: O2, v3: O3, v4: O4, scheduler: SchedulerLike): Observable<ObservedValueOf<O1> | ObservedValueOf<O2> | ObservedValueOf<O3> | ObservedValueOf<O4>>;
  
hunk.labels: keep replace keep
hunk.after_edit: /** @deprecated remove in v8. Passing a scheduler to concat is deprecated, please use {@link scheduled} and {@link concatAll} `scheduled([o1, o2], scheduler).pipe(concatAll())` */
  
hunk.file_path: src/internal/observable/concat.ts
hunk.type: replace
file: .hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
    width: 100%;
    box-sizing: border-box;
    padding: 48px 48px 32px 48px;
    overflow: hidden;
  
    .hero-title {
      display: inline-block;
      font-size: 28px;
      font-weight: 400;
      line-height: 48px;
      margin: 0 8px 0 0;
      text-transform: uppercase;
  
      &.is-standard-case {
        text-transform: none;
      }
    }
  }
  
  section#intro {
    display: flex;
    align-items: center;
    position: relative;
    width: 900px;
    height: 480px;
    margin: 0 auto -32px;
    padding: 48px 0 0;
    color: white;
  
    @media (max-width: 780px) {
      flex-direction: column;
      justify-content: center;
      width: 100%;
      max-width: 100vw;
      padding: 70px 0 32px;
  
      button {
        margin: 0;
        height: 60px;
      }
    }
  
    .homepage-container {
      width: 100%;
      max-width: 1040px;
      margin: 0 auto;
      margin-top: -7%;
      padding-top: 0;
      padding-bottom: 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
  
      .hero-cta + .hero-cta {
        margin-top: 15px;
      }
  
      @media  (max-width: 780px) {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        max-width: 100%;
        padding: 0;
      }
    }
  
    .headline-container{
      margin: 32px 0;
      text-align: center;
    }
  
    .hero-headline {
      font-size: 40px;
      line-height: 64px;
      font-weight: 500;
      color: $pink;
  
      &:after {
        display: none;
      }
  
      @media (max-width: 780px) {
        text-align: center;
      }
  
      @media (max-width: 575px) {
        font-size: 32px;
        line-height: 50px;
      }
    }
  
    .hero-subheadline{
      font-size: 22px;
      line-height: 32px;
      color: $accentgrey;
    }
  
    .hero-logo {
      display: flex;
      width: 400px;
  
      @media (max-width: 780px) {
        justify-content: center;
      }
  
      img {
        width: 400px;
        height: 400px;
        margin-bottom: 8px;
        padding: 0;
        filter: drop-shadow(0 2px 2px rgba($black, 0.24));
  
        @media (max-width: 780px) {
          width: 250px;
          height: 250px;
        }
      }
    }
  }
  
  .announcement-bar {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: center;
    max-width: 50vw;
    margin: 0 auto;
    padding: 16px;
    background-color: $white;
    border-radius: 4px;
    box-shadow: 0 2px 2px rgba($black, 0.24), 0 0 2px rgba($black, 0.12);
    box-sizing: border-box;
    transition: all 0.3s ease-in;
  
    @media (max-width: 992px) {
      flex-direction: column;
      text-align: center;
      padding: 32px 16px;
    }
  
    @media (max-width: 768px) {
      width: 100%;
      max-width: none;
    }
  
    & > * {
      margin: 8px;
    }
  
    img {
      filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.26));
    }
  
    .button {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 40px;
      min-width: 160px;
      font-size: 16px;
      color: $white;
      background-color: $pink;
      border-radius: 48px;
      box-shadow: 0 2px 5px 0 rgba(0,0,0,.26);
      box-sizing: border-box;
      cursor: pointer;
  
      &:hover {
        color: rgba($white, 0.7);
      }
    }
  
    .material-icons {
      display: none;
      right: 0;
      position: static;
      transition: all 0.3s ease-in;
      font-size: 16px;
    }
  
    p {
      strong {
        font-weight: 700;
      }
  
      font-size: 16px;
      margin: 8px;
      text-align: center;
    }
  }
  
  // ANGULAR LINE
  .background-sky {
    background-color: $pink;
    background: $pink;
    color: $white;
  }
  
  .home-row .card {
    @include card(70%, auto);
    display: flex;
    flex-direction: row;
    align-items: center;
    position: relative;
    width: 70%;
    min-width: 270px;
    text-align: center;
    height: auto;
    margin: auto;
    padding: 24px;
    box-shadow: 0 6px 6px rgba(10, 16, 20, 0.15), 0 0 52px rgba(10, 16, 20, 0.12);
  
    @media (max-width: 600px) {
      margin: 16px auto 0;
  
      h2 {
        margin: 0;
      }
  
      img {
        max-width: none;
        height: 70px;
      }
    }
  
    @media (max-width: 1300px) {
      img {
        height: 70px;
        max-width: none;
      }
    }
  
    img {
      margin: 16px ;
    }
  
    .card-text-container {
      margin: 0 16px;
  
      p {
        text-align: left;
        color: $darkgray;
        margin: 0;
        padding: 8px 0;
      }
    }
  
  
    &:hover {
      h2 {
        color: $pink;
      }
    }
  }
  
  .button.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 184px;
    height: 40px;
    padding: 0 24px;
    font-size: 18px;
    font-weight: 600;
    line-height: 40px;
    background-color: $white;
    border-radius: 48px;
    box-shadow: 0 2px 5px 0 rgba(0,0,0,.26);
    box-sizing: border-box;
    cursor: pointer;
  
    &:hover {
      opacity: 0.9;
    }
  }
  
  aio-shell {
    
    &.page-home {
      section {
        padding: 0;
      }
    }
  
    &.page-home, &.page-resources, &.page-events, &.page-contribute {
      article {
        padding: 32px;
  
        @media (max-width: 800px) {
          padding: 24px;
        }
      }
    }
  
    &.page-features {
      article {
        padding: 0 3rem;
      }
    }
  
    &.page-home, &.page-resources, &.page-events, &.page-features {
  
      .content img {
        @media (max-width: 1300px) {
          max-width: none;
        }
      }
  
      .feature-section img {
        max-width: 70px;
      }
  
      @media (max-width: 600px) {
        mat-sidenav-container.sidenav-container {
          padding-top: 0;
        }
      }
    }
  
    .cta-bar .hero-cta {
      color: $pink;
    }
  }
  
  .cta-bar.announcement-bar {
    background: none;
    box-shadow: none;
  }
  
  .text-headline {
    font-size: 20px;
    font-weight: 500;
    color: $pink;
    margin-top: 10px;
    text-transform: uppercase;
  }
  
  aio-shell:not(.view-SideNav) {
    mat-sidenav-container.sidenav-container {
      max-width: none;
    }
  }
  
  div[layout=row]{
      display: flex;
      justify-content: center;
      align-items: center;
      box-sizing: border-box;
  
      @media (max-width: 480px) {
        display: block;
    }
  }
  
  .layout-row {
      flex-direction: row;
  }
  
  .home-rows {
      overflow: hidden;
      @media (max-width: 600px) {
        margin: 0;
      }
  }
  
  .background-superhero-paper {
      background-size: 100%;
      background-blend-mode: multiply;
  }
  
  .home-row {
    max-width: 920px;
    margin: 32px auto;
  
    .promo-img-container, .text-container {
      max-width: 50%;
  
      @media(max-width: 480px) {
        max-width: 100%;
        text-align: center;
  
        &:nth-child(even) {
          flex-direction: column-reverse;
        }
      }
    }
  
    .text-block {
      padding-right: 15%;
  
      @media(max-width: 600px) {
        padding: 0;
      }
    }
  
    .promo-img-container {
  
      img {
        max-width: 90% !important;
      }
  
      p {
        margin: 0 20px;
      }
  
      img {
        max-width: 90%;
  
  
        @media (max-width: 599px) {
          max-width: 100%;
          float: initial !important;
        }
      }
    }
  }
  
  .marketing-banner {
    background-color: lighten($pink, 10);
    margin-top: 64px;
    padding: 32px;
  
    @media (max-width: 600px) {
      margin-top: 56px;
      padding: 18px;
    }
  
    .banner-headline {
      text-transform: uppercase;
      font-size: 24px;
      font-weight: 300;
      color: white;
      margin: 0;
      -webkit-margin-before: 0;
      -webkit-margin-after: 0;
  
      @media (max-width: 600px) {
        font-size: 18px;
        font-weight: 400;
      }
  
      &:after {
        display: none;
      }
    }
  }
  .page-features .marketing-banner {
    margin-bottom: 20px;
  }
  