.floating-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    background-color: #00437F;
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    -webkit-box-shadow: 0px 0px 15px 10px rgba(0,0,0,0.15);
    -moz-box-shadow: 0px 0px 15px 10px rgba(0,0,0,0.15);
    box-shadow: 0px 0px 15px 10px rgba(0,0,0,0.15);
  }
  
  #flat-chat {
    position: fixed;
    bottom: 90px;
    right: 20px;
    z-index: 999;
    background: white;
    border: 1px solid #ccc;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  }