#overlay {
    position: fixed;
    display: none;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.85);
    z-index: 2;
    cursor: pointer;
}

#overlayContents{
    position: absolute;
    top: 50%;
    left: 50%;
    color: white;
    transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
}

#totals{
    border: 2px;
    font-weight: bold;
}

.disabled{
    background-color: lightblue;
}

/* example code taken from w3 schools to make the tabs function https://www.w3schools.com/howto/howto_js_tabs.asp */
 /* Style the tab */
 .tab {
    overflow: auto;
    white-space: nowrap;
    border-bottom: 1px solid #dee2e6;
    /* background-color: #f1f1f1; */
  }
  
  /* Style the buttons that are used to open the tab content */
  .tab button {
    display: inline;
    /* background-color: #446df6; */
    
    float: left;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 14px 16px;
    transition: 0.3s;
  }

  /* Hide extra tabs */
  button.extra{
    display: none;
  }
  
  /* Change background color of buttons on hover */
  .tab button:hover {
    background-color: lightskyblue;
  }
  
  /* Create an active/current tablink class */
  .tab button.active {
    background-color: #446df6;
    color: white;
  }
  
  /* Style the tab content */
  .tabcontent {
    display: none;
    border-top: 10px;
  } 
  
  /* Centers the qr codes */
  img{
    margin: 0 auto;
  }

  .html5-qrcode-element[type="button"] {
    border-radius: 10px;
    background-color: #446df6;
    color: white;
    outline: none;
    border: none;
  }

  .btn-disabled {
    background-color:#0d6efd;
    border-color:#0d6efd;
    color:white;
    opacity: .65;
    display: inline-block;
    font-weight: 400;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    padding: .375rem .75rem;
    font-size: 1rem;
    border-radius: .25rem;
    transition: color .15s 
        ease-in-out, background-color .15s 
        ease-in-out, border-color .15s 
        ease-in-out, box-shadow .15s 
        ease-in-out;
  }

  .btn-main {
    background-color:#0d6efd;
    border-color:#0d6efd;
    color:white;
    display: inline-block;
    font-weight: 400;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    padding: .375rem .75rem;
    font-size: 1rem;
    border-radius: .25rem;
    transition: color .15s 
        ease-in-out, background-color .15s 
        ease-in-out, border-color .15s 
        ease-in-out, box-shadow .15s 
        ease-in-out;
  }