body {
    background-image: linear-gradient(rgba(255,255,255,0.7), rgba(255,255,255,.7)), url("../images/background.jpg");
}

.container {
    margin-top: 70px;
}

.logo {
    width: 40%;
    margin-bottom: 70px;
}

h1 {
    color: #4b61d1 !important;
}

@media screen and (max-width: 450px) {
    form {
        width: 100%;
    }
}