Bootstrap Login In

This is a simple Twitter Bootstrap 3 template. You can fork it to get a ready to use Bootstrap 3 fiddle.

by Ying Chor Ding

HTML

<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<div class="container">
  <div class="card">
    <form>
      <div class="input-container">
        <input type="text" id="Username" required="required" />
        <label for="Username">Username</label>
        <div class="bar"></div>
      </div>
      <div class="input-container">
        <input type="password" id="Password" required="required" />
        <label for="Password">Password</label>
        <div class="bar"></div>
      </div>
      <div class="button-container">
        <button><span>Go</span></button>
      </div>
      <div class="footer"><a href="#">Forgot your password?</a></div>
    </form>
  </div>

</div>

CSS

/* Container */

.container {
  position: relative;
  max-width: 460px;
  width: 100%;
  margin: 0 auto 100px;
}

/* Card */

.card .input-container {
  position: relative;
  margin: 0 60px 50px;
}

.card .input-container input {
  outline: none;
  z-index: 1;
  position: relative;
  background: none;
  width: 100%;
  height: 54px;
  border: 0;
  color: #212121;
  font-size: 20px;
  font-weight: 400;
}

.card .input-container input:focus~label {
  color: #9d9d9d;
  -webkit-transform: translate(-12%, -50%) scale(0.75);
  transform: translate(-12%, -50%) scale(0.75);
}

.card .input-container input:focus~.bar:before,
.card .input-container input:focus~.bar:after {
  width: 50%;
}

.card .input-container input:valid~label {
  color: #9d9d9d;
  -webkit-transform: translate(-12%, -50%) scale(0.75);
  transform: translate(-12%, -50%) scale(0.75);
}

.card .input-container label {
  position: absolute;
  top: 0;
  left: 0;
  color: #757575;
  font-size: 24px;
  font-weight: 300;
  line-height: 60px;
  -webkit-transition: 0.2s ease;
  transition: 0.2s ease;
}

.card .input-container .bar {
  position: absolute;
  left: 0;
  bottom: 0;
  background: #757575;
  width: 100%;
  height: 1px;
}

.card .input-container .bar:before,
.card .input-container .bar:after {
  content: '';
  position: absolute;
  background: #ec2652;
  width: 0;
  height: 2px;
  -webkit-transition: .2s ease;
  transition: .2s ease;
}

.card .input-container .bar:before {
  left: 50%;
}

.card .input-container .bar:after {
  right: 50%;
}

.card .button-container {
  margin: 0 60px;
  text-align: center;
}

.card .button-container button {
  outline: 0;
  cursor: pointer;
  position: relative;
  display: inline-block;
  background: 0;
  width: 240px;
  border: 2px solid #e3e3e3;
  padding: 20px 0;
  font-size: 24px;
  font-weight: 600;
  line-height: 1;
  text-transform: uppercase;
  overflow: hidden;
  -webkit-transition: .3s ease;
  transition: .3s ease;
}

.card .button-container button span {
 ...