* {
    box-sizing: border-box;
  }
  
  body {
    font-family: Helvetica;
    background: #eee;
    -webkit-font-smoothing: antialiased;
  }
  
  hgroup {
    text-align: center;
    margin-top: 4em;
  }
  
  h1,
  h3 {
    font-weight: 300;
  }
  
  h1 {
    color: #636363;
  }
  
  h3 {
    color: #4a89dc;
  }
  
  form {
    width: 380px;
    margin: 4em auto;
    padding: 3em 2em 2em 2em;
    background: #fafafa;
    border: 1px solid #ebebeb;
    box-shadow: rgba(0, 0, 0, 0.14902) 0px 1px 1px 0px,
      rgba(0, 0, 0, 0.09804) 0px 1px 2px 0px;
  }
  
  .group {
    position: relative;
    margin-bottom: 45px;
  }
  
  input {
    font-size: 18px;
    padding: 10px 10px 10px 5px;
    -webkit-appearance: none;
    display: block;
    background: #fafafa;
    color: #636363;
    width: 100%;
    border: none;
    border-radius: 0;
    border-bottom: 1px solid #757575;
  }
  
  input:focus {
    outline: none;
  }
  
  /* Label */
  
  label {
    color: #999;
    font-size: 18px;
    font-weight: normal;
    position: absolute;
    pointer-events: none;
    left: 5px;
    top: 10px;
    transition: all 0.2s ease;
  }
  
  /* active */
  
  input:focus ~ label,
  input.used ~ label {
    top: -20px;
    transform: scale(0.75);
    left: -2px;
    /* font-size: 14px; */
    color: #4a89dc;
  }
  
  /* Underline */
  
  .bar {
    position: relative;
    display: block;
    width: 100%;
  }
  
  .bar:before,
  .bar:after {
    content: "";
    height: 2px;
    width: 0;
    bottom: 1px;
    position: absolute;
    background: #4a89dc;
    transition: all 0.2s ease;
  }
  
  .bar:before {
    left: 50%;
  }
  
  .bar:after {
    right: 50%;
  }
  
  /* active */
  
  input:focus ~ .bar:before,
  input:focus ~ .bar:after {
    width: 50%;
  }
  
  /* Highlight */
  
  .highlight {
    position: absolute;
    height: 60%;
    width: 100px;
    top: 25%;
    left: 0;
    pointer-events: none;
    opacity: 0.5;
  }
  
  /* active */
  
  input:focus ~ .highlight {
    animation: inputHighlighter 0.3s ease;
  }
  
  /* Animations */
  
  @keyframes inputHighlighter {
    from {
      background: #4a89dc;
    }
    to {
      width: 0;
      background: transparent;
    }
  }
  
  /* Button */
  
  .button {
    position: relative;
    display: inline-block;
    padding: 12px 24px;
    margin: 0.3em 0 1em 0;
    width: 100%;
    vertical-align: middle;
    color: #fff;
    font-size: 16px;
    line-height: 20px;
    -webkit-font-smoothing: antialiased;
    text-align: center;
    letter-spacing: 1px;
    background: transparent;
    border: 0;
    border-bottom: 2px solid #3160b6;
    cursor: pointer;
    transition: all 0.15s ease;
  }
  .button:focus {
    outline: 0;
  }
  
  /* Button modifiers */
  
  .buttonBlue {
    background: #4a89dc;
    text-shadow: 1px 1px 0 rgba(39, 110, 204, 0.5);
  }
  
  .buttonBlue:hover {
    background: #357bd8;
  }
  
  /* Ripples container */
  
  .ripples {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: transparent;
  }
  
  /* Ripples circle */
  
  .ripplesCircle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
  }
  
  .ripples.is-active .ripplesCircle {
    animation: ripples 0.4s ease-in;
  }
  
  /* Ripples animation */
  
  @keyframes ripples {
    0% {
      opacity: 0;
    }
  
    25% {
      opacity: 1;
    }
  
    100% {
      width: 200%;
      padding-bottom: 200%;
      opacity: 0;
    }
  }
  
  footer {
    text-align: center;
  }
  
  footer p {
    color: #888;
    font-size: 13px;
    letter-spacing: 0.4px;
  }
  
  footer a {
    color: #4a89dc;
    text-decoration: none;
    transition: all 0.2s ease;
  }
  
  footer a:hover {
    color: #666;
    text-decoration: underline;
  }
  
  footer img {
    width: 80px;
    transition: all 0.2s ease;
  }
  
  footer img:hover {
    opacity: 0.83;
  }
  
  footer img:focus,
  footer a:focus {
    outline: none;
  }