- use mixins for the footer border;

Author: JoaoFerreira-FrontEnd

core/src/components/datetime/datetime.ionic.scss

@@ -218,9 +218,9 @@
 // -----------------------------------
 :host .datetime-footer {
   @include globals.padding(globals.$ion-space-200, globals.$ion-space-0, globals.$ion-space-200, globals.$ion-space-0);
-  margin-top: globals.$ion-space-200;
-
-  border-top: globals.$ion-border-style-solid globals.$ion-border-size-025 globals.$ion-primitives-neutral-300;
+  @include globals.margin(globals.$ion-space-200,0,0,0);
+  
+  @include globals.border( globals.$ion-border-style-solid globals.$ion-border-size-025 globals.$ion-primitives-neutral-300, 0, 0, 0);
 }
 
 :host .datetime-buttons ion-buttons,