.dropdown-menu {

    background-color: #ffffff;
    border: 1px solid #ccc;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);

  }
  
  .dropdown-item {
    color: #000;
    padding: 10px 20px;
  }
  
  .dropdown-item:hover {
    background-color: #f1f1f1;
  }
  .usuario-chat {
    display: flex;

  }