discourse/app/assets/stylesheets/mobile/components/user-card.scss

$avatar_width: 120px;

// shared styles for user and group cards
.user-card,
.group-card {
  position: fixed;
  // mobile cards should always be on top of everything - 1102
  z-index: z("mobile-composer") + 2;
  max-width: 95vw;
  margin: 0 2.5vw;
  max-height: 90vh;
  // avatar - names - controls
  .first-row {
    flex-wrap: wrap;
    .names {
      flex: 1 1 calc(100% - #{$avatar_width});
      box-sizing: border-box;
    }
    .usercard-controls {
      display: flex;
      flex: 1;
      margin-top: 1em;
      max-width: 100%;
      li {
        flex: 1;
        min-width: 0;
        &:nth-child(2) {
          border-left: 0.5em solid transparent;
        }
        button {
          @include ellipsis;
        }
      }
    }
  }
  h1 {
    font-size: $font-up-3;
    .d-icon {
      font-size: $font-down-2;
    }
  }
  h2 {
    font-size: $font-0;
  }
  h3 {
    font-size: $font-down-1;
  }
}

// styles for user cards only
.user-card {
  // badges
  .badge-section {
    flex-wrap: wrap;
    > span {
      display: flex;
      flex: 0 1 50%;
      max-width: 50%; // for text ellipsis
      padding: 2px 0;
      box-sizing: border-box;
      &:nth-of-type(1),
      &:nth-of-type(3) {
        padding-right: 4px;
      }
      a {
        width: 100%;
        display: flex;
      }
    }
    .user-badge {
      display: flex;
      margin: 0;
      width: 100%;
    }
  }

  .public-user-fields {
    @media screen and (max-height: 550px) {
      max-height: 12vh;
    }
    max-height: 40vh;
    overflow-y: auto;
    .public-user-field {
      @include line-clamp(3);
    }
  }
}

// mobile card cloak
.card-cloak {
  position: fixed;
  top: 0;
  left: 0;
  z-index: z("mobile-composer") + 1; // 1101
  height: 100vh;
  width: 100vw;
  background-color: rgba(black, 0.5);
  animation: fadein 0.2s;
}