body, html {
    height: 100%;
}


.form-signin {
    width: 330px;
    padding: 15px;
    margin: 0 auto;
}

.form-signin .form-control {
    position: relative;
    box-sizing: border-box;
    height: auto;
    padding: 10px;
    font-size: 16px;
}

.btn {
    position: relative;
    box-sizing: border-box;
    height: auto;
    padding: 10px;
}