discourse/app/assets/stylesheets/common/components/user-info.scss

// Common styles for "user-info" component
.user-info {
  display: flex;
  gap: 1em;

  .user-image-inner {
    position: relative;
    display: inline-block;
  }

  .user-detail {
    min-width: 0;
    @include breakpoint(mobile-medium) {
      font-size: var(--font-down-1);
    }

    .name-line {
      > a {
        display: flex;
        flex-wrap: wrap;
        gap: 0 0.5em;
        color: var(--primary-high);
      }
      .name,
      .username {
        width: 100%;
        @include ellipsis;
      }

      span:first-child {
        font-weight: bold;
      }
    }

    .details {
      color: var(--primary);
      .d-icon-reply {
        color: var(--primary-medium);
      }
    }

    .title {
      color: var(--primary-medium);
      @include ellipsis;
    }
  }

  &.medium {
    min-height: 60px;

    .username,
    .name {
      display: block;
    }

    .margin a {
      margin-left: 0;
    }

    &.badge-info {
      min-height: 80px;
      min-width: 250px;

      .granted-on {
        color: var(--primary-med-or-secondary-med);
      }

      .post-link {
        display: block;
        margin-top: 0.2em;
      }
    }
  }
}