body {
    background-color: #fff;
}

.form-signin {
    width: 100%;
    max-width: 500px;
    padding: 15px;
    margin: 20px auto auto;
}

.form-signin .checkbox {
    font-weight: 400;
}

.form-signin .form-check {
    margin-top: 20px;
    margin-bottom: 20px;
}

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

.form-signin .form-control:focus {
    z-index: 2;
}