html, body {
    padding: 0px;
    margin: 0px;
    width: 100%;
    height: 100%;
    border-width: 0px;
    border-style: none;
    background-color: #e4dedb;
    color: #000;
    font-family: -apple-system,system-ui,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Helvetica Neue,Arial,sans-serif;
}

body, .really-center {
    display: flex;
    align-items: center;
    align-content: center; justify-content: center;
}

h1 {
    font-size: 1rem;
    padding: 2em 3em;
    background-color: #2D1145;
    background-color: #F5F5F5;
    display: inline-block;
    margin: 1.5rem auto;
    margin-bottom: 0px;
    margin-top: 0px;
    box-shadow: 0px 0px 2em #1A0622;
    box-shadow: 0px 0px 1.4em #95A;
    box-shadow: 0px 0px 1.3em #B8C;
    box-shadow: 0px 0px 1.3em #ee4e2475;
    flex-basis: 0;
    transform: translateY(-50%);
}

img {
    width: 5em;
    max-width: 80vw;
}

main, form {
    display: block;
    background-color: #fafafa;
    box-shadow: 0px 0px 1.3em #B8C;
    box-shadow: 0px 0px 1.3em #ee4e2475;
    text-align: center;
    padding: 3em;
    padding-top: 0px;
}

label {
    display: block;
    font-size: 0.95em;
    text-align: left;
    color: #888;
}
input, button {
    display: block;
    min-width: 300px;
    width: 16em;
    width: 24em;
    max-width: 90vw;
    margin: 1.5rem auto;
    font-size: 1.05em;
    padding: 1em 1em;
    border-radius: 0px;
    border-radius: 0.65em;
    border-style: solid;
    border-width: 1px;
    border-color: #666;
    border-color: #e0e0e0;
    background-color: #fafafa;
    box-sizing: border-box;
}
input[type=submit], button {
    background-color: #800080;
    background-color: #2D1145;
    background-color: #F5F5F5;
    background-color: #e5e5e5;
    color: #fff;
    color: #000;
}
input[type=email] {
    margin-top: 0px;
}

form:valid > input[type=submit] {
    background-color: #f56a33;
    color: white;
}