discourse/plugins/discourse-unsupported-browser/assets/stylesheets/ie.scss

@media screen and (max-width: 767px) {
  table.staff-logs tr {
    display: -ms-grid;
    -ms-grid-columns: 1fr 1fr 1fr 0.5fr;
    -ms-grid-rows: auto auto;
    td {
      display: -ms-grid;
      &.staff-users {
        -ms-grid-row: 1;
        -ms-grid-column: 1;
        -ms-grid-column-span: 2;
      }
      &.created-at {
        -ms-grid-row: 1;
        -ms-grid-column: 4;
      }
      &.action {
        -ms-grid-row: 2;
        -ms-grid-column: 1;
      }
      &.subject {
        -ms-grid-row: 2;
        -ms-grid-column: 2;
        -ms-grid-column-span: 3;
      }
      &.details {
        -ms-grid-row: 3;
        -ms-grid-column: 1;
        -ms-grid-column-span: 3;
      }
      &.context {
        -ms-grid-row: 4;
        -ms-grid-column: 1;
        -ms-grid-column-span: 3;
      }
    }
  }
}

// desktop/login.scss
.d-modal.create-account {
  .login-form {
    form,
    table {
      display: block; //IE11
    }
  }
}

// common/admin/dashboard.scss
.dashboard,
.dashboard-next {
  .charts {
    display: -ms-grid;
    -ms-grid-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
    -ms-grid-rows: 1fr 1fr;
    .admin-report {
      -ms-grid-column-span: 4;

      &:nth-of-type(1) {
        -ms-grid-row: 1;
        -ms-grid-column: 1;
      }
      &:nth-of-type(2) {
        -ms-grid-row: 2;
        -ms-grid-column: 1;
      }
      &:nth-of-type(3) {
        -ms-grid-row: 2;
        -ms-grid-column: 5;
      }
      &:nth-of-type(4) {
        -ms-grid-row: 2;
        -ms-grid-column: 9;
      }
      &:nth-of-type(5) {
        -ms-grid-row: 3;
        -ms-grid-column: 1;
      }
      &:nth-of-type(6) {
        -ms-grid-row: 3;
        -ms-grid-column: 5;
      }
      &:nth-of-type(7) {
        -ms-grid-row: 3;
        -ms-grid-column: 9;
      }
    }

    .admin-report {
      &.consolidated-page-views {
        -ms-grid-column-span: 12;
      }
    }
  }
}
.counters-list {
  .counters-header {
    display: -ms-grid;
    -ms-grid-columns: 2fr 1fr 1fr 1fr 1fr;
    .counters-cell {
      -ms-grid-row: 1;
      -ms-grid-column-span: 1;
      &:nth-of-type(1) {
        -ms-grid-column: 1;
      }
      &:nth-of-type(2) {
        -ms-grid-column: 2;
      }
      &:nth-of-type(3) {
        -ms-grid-column: 3;
      }
      &:nth-of-type(4) {
        -ms-grid-column: 4;
      }
      &:nth-of-type(5) {
        -ms-grid-column: 5;
      }
    }
  }
}

// common/admin/api.scss
table.web-hooks.grid {
  @media screen and (max-width: 767px) {
    tr {
      display: -ms-grid;
      -ms-grid-columns: 0.5fr 1fr 1fr 0.5fr;
      td {
        display: -ms-grid;
        &.delivery-status {
          -ms-grid-row: 1;
          -ms-grid-column: 1;
        }
        &.payload-url {
          -ms-grid-row: 1;
          -ms-grid-column: 2;
        }
        &.description {
          -ms-grid-row: 1;
          -ms-grid-column: 3;
        }
        &.controls {
          -ms-grid-row: 1;
          -ms-grid-column: 4;
        }
      }
    }
  }
}
table.api-keys {
  @media screen and (max-width: 767px) {
    tr {
      display: -ms-grid;
      -ms-grid-columns: 0.25fr 1fr 1fr;
      -ms-grid-rows: auto auto;
      td {
        display: -ms-grid;

        &.key {
          -ms-grid-row: 1;
          -ms-grid-column: 1;
          -ms-grid-column-span: 3;
        }
        &.key-user {
          -ms-grid-row: 2;
          -ms-grid-column: 1;
        }
        &.key-controls {
          -ms-grid-row: 2;
          -ms-grid-column: 2;
          -ms-grid-column-span: 2;
          display: -ms-grid;
          -ms-grid-columns: 125px 125px;
          button:first-of-type {
            -ms-grid-column: 1;
          }
          button:last-of-type {
            -ms-grid-column: 2;
          }
        }
      }
    }
  }
}

// common/admin/staff_logs.scss
table.search-logs-list {
  @media screen and (max-width: 767px) {
    tr {
      display: -ms-grid;
      -ms-grid-columns: 1fr 1fr 1fr;
      -ms-grid-rows: auto 2em;
      td {
        display: -ms-grid;
        -ms-grid-rows: auto auto;
        .label {
          -ms-grid-row: 2;
        }
        &.term {
          -ms-grid-row: 1;
          -ms-grid-column: 1;
          -ms-grid-column-span: 3;
        }
        &.col:nth-of-type(2) {
          -ms-grid-row: 2;
          -ms-grid-column: 1;
        }
        &.col:nth-of-type(3) {
          -ms-grid-row: 2;
          -ms-grid-column: 2;
        }
        &.col:nth-of-type(4) {
          -ms-grid-row: 2;
          -ms-grid-column: 3;
        }
      }
    }
  }
}

// common/admin/admin_report_counters.scss
.admin-report {
  .admin-report-counters {
    display: -ms-grid;
    -ms-grid-columns: 2fr 1fr 1fr 1fr 1fr;
    .cell {
      -ms-grid-row: 1;
      -ms-grid-column-span: 1;

      &:nth-of-type(1) {
        -ms-grid-column: 1;
      }
      &:nth-of-type(2) {
        -ms-grid-column: 2;
      }
      &:nth-of-type(3) {
        -ms-grid-column: 3;
      }
      &:nth-of-type(4) {
        -ms-grid-column: 4;
      }
      &:nth-of-type(5) {
        -ms-grid-column: 5;
      }
    }
  }
}

// common/admin/users.scss
.admin-users-list {
  @media screen and (max-width: 767px) {
    tr.user {
      display: -ms-grid;
      -ms-grid-columns: 1fr 1fr 1fr;
      -ms-grid-rows: 2em 1fr 3em 3em;
      td {
        display: -ms-grid;
        -ms-grid-columns: 1fr;
        -ms-grid-rows: 1fr 1fr;
        .label {
          -ms-grid-row: 1;
          -ms-grid-column: 1;
        }
        div:not(.label) {
          -ms-grid-row: 2;
          -ms-grid-column: 1;
          align-self: center;
        }
        &.username {
          -ms-grid-row: 1;
          -ms-grid-column: 1;
          -ms-grid-column-span: 2;
        }
        &.user-status {
          -ms-grid-row: 1;
          -ms-grid-column: 3;
        }
        &.email {
          -ms-grid-row: 2;
          -ms-grid-column: 1;
          -ms-grid-column-span: 3;
        }
        &.last-emailed {
          -ms-grid-row: 3;
          -ms-grid-column: 1;
        }
        &.last-seen {
          -ms-grid-row: 3;
          -ms-grid-column: 2;
        }
        &.topics-entered {
          -ms-grid-row: 3;
          -ms-grid-column: 3;
        }
        &.posts-read {
          -ms-grid-row: 4;
          -ms-grid-column: 1;
        }
        &.time-read {
          -ms-grid-row: 4;
          -ms-grid-column: 2;
        }
        &.created {
          -ms-grid-row: 4;
          -ms-grid-column: 3;
        }
      }
    }
  }
}

// common/base/groups.scss
.groups-boxes {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;

  .group-box {
    flex: 1 1 24%;
    margin: 1%;
  }
}

// common/base/_topic-list.scss
.list-controls {
  .combo-box .combo-box-header {
    height: 10px;
  }
}
.topic-list {
  .link-bottom-line {
    .discourse-tags {
      -ms-flex: 1 0 0px;
    }
  }
}

// common/base/user.scss
.user-content-wrapper {
  display: -ms-grid;
  -ms-grid-columns: 1fr 5fr;
  -ms-grid-rows: auto auto 1fr auto;
  .user-primary-navigation {
    -ms-grid-row: 1;
    -ms-grid-column: 1;
    -ms-grid-column-span: 2;
  }
  .user-secondary-navigation {
    -ms-grid-row: 2;
    -ms-grid-column: 1;
  }
  .solo-preference,
  .user-content,
  .spinner {
    -ms-grid-row: 2;
    -ms-grid-column: 2;
    -ms-grid-column-span: 2;
  }
  .user-secondary-navigation + .user-content {
    -ms-grid-column: 2;
    -ms-grid-column-span: 1;
  }
  .user-additional-controls {
    -ms-grid-row: 3;
    -ms-grid-column-align: start;
    -ms-grid-row-align: start;
  }
}
.avatar-selector {
  .avatar-choice {
    display: -ms-grid;
    -ms-grid-columns: 2em 1fr auto;
    -ms-grid-rows: auto auto;
    input[type="radio"] {
      -ms-grid-row: 1;
      -ms-grid-column: 1;
    }
    label.radio {
      -ms-grid-row: 1;
      -ms-grid-column: 2;
    }
    span.avatar-uploader {
      -ms-grid-row: 1;
      -ms-grid-column: 3;
    }
    .error {
      -ms-grid-row: 2;
      -ms-grid-column-span: 3;
    }
  }
}

// common/base/topic-post.scss
aside.quote {
  .title {
    padding: 12px 12px 1px 12px;
  }
}

// common/base/menu-panel.scss
div.menu-links-header {
  .menu-links-row {
    li {
      &.glyphs {
        max-width: 65%;
      }
    }
  }
}

// common/base/header.scss
.extra-info-wrapper {
  flex: 1 1 0%;

  .topic-header-extra {
    flex: 1 0 0%;
    min-width: 1px;
  }
}

// common/select-kit/dropdown-select-box.scss
.select-kit {
  &.dropdown-select-box {
    .select-kit-row {
      .texts {
        width: 0;

        .desc {
          width: 100%;
        }
      }
    }
  }
}

// common/select-kit/category-row.scss
.select-kit {
  .category-row {
    .category-desc {
      max-width: 100%;
    }
  }
}