html, body {
    height: 100%;
}
body {
    background: none !important;
}
.background-img {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: -1;
}
.login-page {
    width: 450px;
    margin: 0 auto;
}
.login-page:before {
    flex-grow: 1;
    content: '';
    display: block;
    height: 24px;
}
.logo {
    margin-bottom: 15px;
}
.form-login {
    height: auto;
    min-height: 500px;
    padding: 48px 40px 36px;
}
.copyright {
    margin-top: 10px;
}
#btn-login {
    padding: 0;
    height: 36px;
    width: 105px;
}
.login-page .has-error > input {
  border-bottom: 1px solid red;
}
/* material */
.material     { 
  position:relative; 
  margin-bottom:45px; 
}
.material input {
  font-size:18px;
  padding:10px 10px 10px 5px;
  display:block;
  width:100%;
  border:none;
  border-bottom:1px solid rgba(0,0,0,0.12);
}
.material input:focus { outline:none; }

/* LABEL ======================================= */
.material 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 */
.material input:focus ~ label, input:valid ~ label {
  top:-20px;
  font-size:14px;
  color:#5264AE;
}

/* BOTTOM BARS ================================= */
.material .bar    { position:relative; display:block; width:100%; }
.material .bar:before, .bar:after     {
  content:'';
  height:2px; 
  width:0;
  bottom:1px; 
  position:absolute;
  background:#204d74; 
  transition:0.2s ease all; 
  -moz-transition:0.2s ease all; 
  -webkit-transition:0.2s ease all;
}
.material .bar:before {
  left:50%;
}
.material .bar:after {
  right:50%; 
}

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

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

/* active state */
.material 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:#5264AE; }
  to    { width:0; background:transparent; }
}
@-moz-keyframes inputHighlighter {
    from { background:#5264AE; }
  to    { width:0; background:transparent; }
}
@keyframes inputHighlighter {
    from { background:#5264AE; }
  to    { width:0; background:transparent; }
}