.header{
    width: 100%;
    height: 39px;
    border-bottom: 1px solid gray;
    display: flex;
    align-items: center;
    font-size: 16px;
    padding: 0 5px;
  }
  .header .state-info{
    font-size: 18px;
    width: 120px;
    padding-left: 10px;
    border-right: 1px solid gray;
    display: flex;
    align-items: center;
  }
  .led{
    width: 5px;
    height: 5px;
    
  }
  .header .state-msg{
    width: 100%;
    overflow:hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 10px;
    box-sizing: border-box;
  }
  .header  .connected{
  width: 100%;
  display: flex;
  justify-content: space-between;
}

  .btn{
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    border-radius: 3px;
    background-color: #00a790;
    color: white;
    padding: 5px 25px;
    width: auto;
    height: auto;
    box-shadow: 1px 1px 5px rgb(119, 119, 119);
  }
  
  .btn:active{
    background-color: #00a790;
    box-shadow: 1px 1px 3px black;
  }