love/source/atom/ui-template/inputs.less

.input-select {
  color: @background-1;

  &:hover {
    cursor: pointer;
  }
}

.settings-view select.form-control {
  border: none;
  border-radius: 0;
  color: @background-1;
  cursor: pointer;
}

.settings-view .themes-picker-item .btn {
  height: 32px;
}