html {
    scroll-behavior: smooth;
}
html,
body {
    width: 100%;
    height: 100%;
    color: #ffffff;
    background: #999999;
    background-repeat: no-repeat;
    background-position: right top;
    background-attachment: scroll;
    background-size: cover;
    background-image: url('../images/bg.jpg');
}
h1 {
    margin: 0 0 16px 0;
    font-size: 30px;
    color: #ffffff;
    text-shadow: 1px 0 6px rgb(0,0,0,0.3);
}
h4 {
    margin: 0 0 24px 0;
    font-size: 18px;
    color: #ffffff;
    text-shadow: 1px 0 6px rgb(0,0,0,0.3);
}
main {
    padding-top: 40px;
    padding-bottom: 20px;
}
.form-optin {
    width: 730px;
    max-width: 100%;
}
.form-control {
    height: 48px;
    border-radius: 2px;
}
.btn-submit {
    width: 100%;
    padding: .5rem .75rem;
    font-size: 20px;
    font-weight: 700;
    border-radius: 2px;
    color: #ffffff;
    background-color: #ec1f1f;
    border: 1px solid #ec1f1f;
    text-shadow: 1px 0 6px rgb(0,0,0,0.3);
}
.btn-submit:hover,
.btn-submit:focus {
    background-color: #bb2d3b;
    border: 1px solid #bb2d3b;
    color: #ffffff;
    outline: none;
}
@media only screen and (min-width: 768px) {
    main {
        padding-top: 80px;
        padding-bottom: 20px;
    }
    h1 {
        margin: 0 0 16px 0;
        font-size: 46px;
    }
    h4 {
        margin: 0 0 32px 0;
        font-size: 20px;
    }
}