/* static/signin.css */
body {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #f5f5f5;
}

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

.form-signin .form-control {
    margin-bottom: 10px;
}