src/app/dialogs/entry/entry.component.css

.ng-valid[required], .ng-valid.required  {
  border-left: 5px solid #42A948; /* green */
}
.ng-invalid:not(form)  {
  border-left: 5px solid #a94442; /* red */
}
.error{
  border-left: 5px solid #a94442;
}

.dateRangePickerIcon:hover{
  cursor: pointer;
}

input{
  min-width: 200px;
}