fix

src/global.scss

@@ -1476,12 +1476,30 @@ $font-size: rem(15);
 .mat-form-field {
     width: 100%;
 }
-
-ngx-mat-datetime-content button.mat-stroked-button {
-    top: -56px;
-    margin-bottom: -35px;
+// date picker
+ngx-mat-datetime-content .actions {
+  z-index: 1;
+  position: relative;
+  top: -66px;
+  margin-bottom: -44px;
+  
+  button {
+    z-index: 11111111;
+  }
 }
 
+
+ngx-mat-datetime-content .ngx-mat-timepicker {
+  z-index: 111;
+}
+.mat-form-field-underline {
+  display: none !important;
+}
+
+
+ngx-mat-datetime-content  .mat-input-element {
+  padding: 0px !important;
+}
 pre {
     font-family: 'Roboto' !important;
     font-size: rem(16) !important;