.crm-mosaico-page {
  #inputSubject {
    width: 80%;
  }

  input[name="campaign"] {
    width: 98%;
  }

  select {
    &[name="optout_id"],
    &[name="preview_test_group"],
    &[name="resubscribe_id"],
    &[name="unsubscribe_id"],
    &[name="visibility"] {
      width: 98%;
    }
  }

  .crm-mosaico-test-group button {
    margin-top: 1em;
  }

  .crm-mailing-recipients-row select {
    width: 70%;
  }

  .select2-container-multi .select2-choices:before {
    top: 7px;
  }

  input[type=radio]:not(.old-radiocheckbox-style):checked+label[for]::after {
    left: 3px;
    top: 7px;
  }

  .tab-content #responses .crm-block {
    padding: 0;
  }
}

.crm-mosaico-page {
  #inputSubject {
    width: 80%;
  }

  input[name="campaign"] {
    width: 98%;
  }

  select {
    &[name="optout_id"],
    &[name="preview_test_group"],
    &[name="resubscribe_id"],
    &[name="unsubscribe_id"],
    &[name="visibility"] {
      width: 98%;
    }
  }

  .crm-mosaico-test-group button {
    margin-top: 1em;
  }

  .crm-mailing-recipients-row select {
    width: 70%;
  }

  input[type=radio]:not(.old-radiocheckbox-style):checked+label[for]::after {
    left: 3px;
    top: 7px;
  }

  .tab-content #responses .crm-block {
    padding: 0;
  }
}

Remove unnecessary top spacing from select2 arrow elements
RSE-777: Remove unnecessary top spacing from select2 arrow elements
