/* Button */
    .button {
      display: inline-block;
      position: relative;
      width: 120px;
      height: 32px;
      line-height: 32px;
      border-radius: 2px;
      font-size: 0.9em;
      background-color: #fff;
      color: #646464;
    }
    
    .button > paper-ripple {
      border-radius: 2px;
      overflow: hidden;
    }
    
    .button.green {
      background-color: #0f9d58;
      color: #fff;
    }
    
    .button.raised {
      transition: box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
      transition-delay: 0.2s;
      box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.26);
    }
    
    .button.raised:active {
      box-shadow: 0 8px 17px 0 rgba(0, 0, 0, 0.2);
      transition-delay: 0s;
    }
    
    
    /* Misc */
    .center {
      text-align: center;
    }
    
    .label {
      padding: 0 16px;
    }
    
    .label-blue {
      color: #4285f4; 
    }
    
    .label-red {
      color: #d23f31; 
    }
    .group            { 
  position:relative; 
  margin-bottom:45px; 
}
input               {
  padding:10px 10px 10px 5px;
  display:block;
  width:300px;
  border:none;
  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:0.2s ease all; 
  -moz-transition:0.2s ease all; 
  -webkit-transition:0.2s ease all;
}

/* active state */
input:focus ~ label, input:valid ~ label        {
  top:-20px;
  font-size:14px;
  color:#52ae87;
}

/* BOTTOM BARS ================================= */
.bar    { position:relative; display:block; width:300px; }
.bar:before, .bar:after     {
  content:'';
  height:2px; 
  width:0;
  bottom:1px; 
  position:absolute;
  background:#52ae87; 
  transition:0.2s ease all; 
  -moz-transition:0.2s ease all; 
  -webkit-transition:0.2s ease all;
}
.bar:before {
  left:50%;
}
.bar:after {
  right:50%; 
}

/* active state */
input:focus ~ .bar:before, input:focus ~ .bar:after {
  width:50%;
}

/* HIGHLIGHTER ================================== */
.highlight {
  position:absolute;
  height:60%; 
  width:100px; 
  top:25%; 
  left:0;
  pointer-events:none;
  opacity:0.5;
}

/* active state */
input:focus ~ .highlight {
  -webkit-animation:inputHighlighter 0.3s ease;
  -moz-animation:inputHighlighter 0.3s ease;
  animation:inputHighlighter 0.3s ease;
}

/* ANIMATIONS ================ */
@-webkit-keyframes inputHighlighter {
    from { background:#52ae87; }
  to    { width:0; background:transparent; }
}
@-moz-keyframes inputHighlighter {
    from { background:#52ae87; }
  to    { width:0; background:transparent; }
}
@keyframes inputHighlighter {
    from { background:#52ae87; }
  to    { width:0; background:transparent; }
}