discourse/app/assets/stylesheets/common/admin/suspend.scss

.suspend-user-modal {
  .until-controls {
    margin-bottom: 1em;
  }

  .suspend-reason {
    width: 100%;

    &.combo-box {
      margin-bottom: 9px;
    }
  }

  .suspend-reason-label,
  .suspend-message-label {
    margin-bottom: 0.5em;
  }

  .inline-spinner {
    float: right;
  }
}

.modal-body {
  .penalty-post-edit {
    margin-top: 1em;

    textarea {
      height: 10em;
    }
  }
  .penalty-history {
    margin-bottom: 1em;
    padding-bottom: 0.5em;
    border-bottom: 1px solid var(--primary-low);
    display: flex;
    & > * {
      flex-basis: 100%;
      text-align: center;
      padding: 1em 0;
      font-weight: 600;
      label {
        font-weight: 600;
        justify-content: center;
      }
    }
    .danger {
      background-color: var(--danger);
      color: var(--secondary);
    }
  }
}