.form-signin {
    width: 100%;
    max-width: 330px;
    padding: 15px;
    margin: auto;
}

body {
    align-items: center;
    padding-bottom: 40px;
    background-color: #f5f5f5;
}

.form-signin input[name="username"] {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}

.form-signin input[name="password"] {
    margin-top: -1px;
    border-top-right-radius: 0;
    border-top-left-radius: 0;
}