html,
body {
height: 100%;
}
body {
display: -ms-flexbox;
display: flex;
-ms-flex-align: center;
align-items: center;
padding-top: 40px;
padding-bottom: 40px;
background-color: #f5f5f5;
}
.form-signin {
width: 100%;
max-width: 480px;
padding: 15px;
margin: auto;
}
.form-label-group {
position: relative;
margin-bottom: 1rem;
}
.form-label-group > input,
.form-label-group > label {
height: 3.125rem;
padding: .75rem;
}
.form-label-group > label {
position: absolute;
top: 0;
left: 0;
display: block;
width: 100%;
margin-bottom: 0; /* Override default `