* {
    box-sizing: border-box;
  }
  
  h1 {
    text-align: center;  
  }
  
  input {
    font-family: 'Encode Sans', sans-serif !important;
  }
  
  /* Mark input boxes that gets an error on validation: */
  input.invalid {
    background-color: #ffdddd;
  }
  
  /* Hide all steps by default: */
  .tab {
    display: none;
  }
  
  button {
    font-family: 'Encode Sans', sans-serif !important;
  }
  
  button:hover {
    opacity: 0.8;
  }
  
  #prevBtn {
    background-color: #bbbbbb;
  }
  
  /* Make circles that indicate the steps of the form: */
  .step {
    height: 15px;
    width: 15px;
    margin: 0 2px;
    background-color: #bbbbbb;
    border: none;  
    border-radius: 50%;
    display: inline-block;
    opacity: 0.5;
  }
  
  .step.active {
    opacity: 1;
  }
  
  /* Mark the steps that are finished and valid: */
  .step.finish {
    background-color: #04AA6D;
  }