body, #container, #signup-form {
    background: #f5f5f5;
}

/* ==================== */
/* Formulaire de SignUp */
/* ==================== */
#signup-form {
    width: 100%;
    max-width: 600px;
    padding: 15px;
    margin: 0 auto;
}

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

#summary-error ul {
    list-style-type: none !important;
}