input.invalid {
    background-color: #ffdddd;
  }

  textarea.invalid {
    background-color: #ffdddd;
  }
  /* Hide all steps by default: */
  .tab {
    display: none;
  }
  
  button {
    background-color: #3da2ea;
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    font-size: 17px;
    font-family: Raleway;
    cursor: pointer;
  }
  
  button:hover {
    opacity: 0.8;
  }
  
  #prevBtn {
    background-color: #bbbbbb;
  }
  
  /* Make circles that indicate the steps of the form: */
  .step {
    height: 20px;
    width: 20px;
    margin: 0 2px;
    background-color: #bbbbbb;
    border: none;  
    border-radius: 50%;
    display: inline-block;
  }

  .step::after{
    height: .4em;
    left: 1.76rem;
    right: -.24rem;
    top: calc(1rem - (.2em));
  }

  .step.active {
    opacity: 1;
  }
  
  /* Mark the steps that are finished and valid: */
  .step.finish {
    background-color: #3384cd;
  }

  .fileUploader{
    padding: 10px;
    background: #3da2ea;
    color: white;
    border-radius: 7px;
  }