next-ucap-messenger/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/chat.component.scss

.current-head{
  display: flex;
  justify-content: center;
  padding: 0 10px;
  height: 60px;
  h3{
   display: inline-flex;
   padding-left: 10px;
    align-items: center;
  }
  .btn-box{
    height: 100%;
    margin-left: auto;
    display: inline-flex;
    align-items: center;
  }
}

.list-search {
  display: flex;
  flex-direction: row;
  height: 60px;
  align-items: center;
  padding: 0;
  font-size: 14px;
  border-bottom: 1px solid #dddddd;
  .searchbox{
    width:100%;
    height:100%;
  }
}
::ng-deep .searchbox{
  .mat-form-field{
    display:block;
    .mat-form-field-wrapper{
      padding: 0;
      padding-bottom:0 !important;
      height: 100%;
      .mat-form-field-flex{
        height: 59px;
        padding:0 20px;
        align-items: center;
        .mat-form-field-infix{
          width:100%;
          font-size:14px;
          border:none;
        }
        .mat-form-field-suffix{
          .mat-icon{
            line-height:24px;
          }
        }
      }
    }
  }
  .mat-form-field-appearance-legacy{
    .mat-form-field-wrapper{
      padding: 0;
    }
    .mat-form-field-underline{
      bottom:0;
      background-color: unset !important;
    }
  }
}

.app-layout-chat-left-sidenav-chat-header {
  width: 100%;
  height: 50px;
}

.app-layout-chat-left-sidenav-chat-list {
  height: calc(100% - 60px);
}

.app-layout-chat-left-sidenav-chat-list-viewport {
  width: 100%;
  height: 100%;
}