.current-head { h3 { display: inline-flex; padding-left: 10px; align-items: center; color: #ffffff; } .btn-box { height: 100%; margin-left: auto; display: inline-flex; align-items: center; } } .app-layout-chat-left-sidenav-chat-header { width: 100%; height: 50px; } .app-layout-chat-left-sidenav-chat-list { //height: calc(100% - 120px); position: relative; } .app-layout-chat-left-sidenav-chat-list-viewport { width: 100%; height: 100%; } ::ng-deep .cdk-virtual-scroll-orientation-vertical { .cdk-virtual-scroll-content-wrapper { width: 100%; height: 100%; contain: unset; } }