html body > .wrap > .container {
    margin-left: 0;
    padding: 0;
}

nav {
    display: none;
}

.wrap > .container > div:not(.alert-success) {
    text-align: center;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate3d(-50%, -50%, 0);
}

.alert-success {
    align-items: center;
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.alert-success button {
    font-weight: bold;
    margin-right: 2em;
    min-width: auto;
}

form {
    text-align: left;
    padding: 0;
}

h2 {
    color: #555;
    display: block;
    text-align: center;
    margin-bottom: 1em;
}

.form-group.submission {
    text-align: center;
}

button[type=reset] {
    display: none;
}

button[type=submit] {
    background: blueviolet;
    display: block;
    margin: 2em auto 1em auto;
    min-width: 15em;
    padding: 1em;
}

@media screen and (max-width: 700px) {
    .error-summary + .form-group.submission,
    .error-summary + .form-group button[type=submit] {
        margin-top: 0;
    }

    .error-summary ul {
        font-size: .875em;
        padding-left: 1rem;
    }
}

.form-group.submission a {
    display: inline-block;
    font-size: .75em;
    margin: 0 auto;
}