set change detection on push

src/app/widget-modules/components/add-song/add-song.component.ts

@@ -1,4 +1,4 @@
-import {Component, Input} from '@angular/core';
+import {ChangeDetectionStrategy, Component, Input} from '@angular/core';
 import {UntypedFormControl} from '@angular/forms';
 import {filterSong} from '../../../services/filter.helper';
 import {MatSelectChange} from '@angular/material/select';
@@ -12,6 +12,7 @@ import {ShowService} from '../../../modules/shows/services/show.service';
   selector: 'app-add-song',
   templateUrl: './add-song.component.html',
   styleUrls: ['./add-song.component.less'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class AddSongComponent {
   @Input() public songs: Song[] | null = null;

src/app/widget-modules/components/card/card.component.less

@@ -3,16 +3,17 @@
 .card {
   margin: 20px;
   border-radius: 8px;
-  background: #fffe;
+  background: #fffc;
   backdrop-filter: blur(12px);
   overflow: hidden;
   width: 800px;
   position: relative;
+  transition: all 150ms ease-in-out;
 
   @media screen and (max-width: 860px) {
     width: 100vw;
     border-radius: 0;
-    background: #fffe;
+    background: #ffff;
     margin: 0;
   }