Half height input borders

Android style input borders

HTML

<div class="wrapper">
    <div class="body">
        <div class="input-wrapper">
            <input type="text" placeholder="Username" />
        </div>
        <div class="input-wrapper">
            <input type="email" placeholder="Email" />
        </div>
        <div class="input-wrapper">
            <input type="password" placeholder="Password" />
        </div>
    </div>
</div>

CSS

.wrapper {
    width: 100%;
    margin-top: 80px;
    text-align: center;
    position: relative;
}
.body {
    width: 30%;
    position: relative;
    margin-left: 35%;
}
.input-wrapper {
  position: relative;
}
input {
  font-family: Helvetica, Arial, sans-serif;
  font-weight: 300;
  width: 100%;
  border-radius: 2px;
  border: none;
  padding-left: 7px;
  height: 34px;
  font-size: 14px;
  color: #aaa;
  margin-top: 10px;
  margin-bottom: 5px;
}
input:focus {
  outline: none;
  box-shadow: none;
}
.input-wrapper:after {
  position: absolute;
  border: 1px solid #ccc;
  border-top: none;
  height: 5px;
  width: 100%;
  bottom: 6px;
  left: 0;
  content: "";
}