body {
    font:
        16px Arial,
        sans-serif;
    width: 100vw;
    height: 100vh;
    padding: 20px 0;
    margin: 0;
}

form,
button {
    margin: 0 auto;
    text-align: center;
}

form * {
    text-align: left;
}

.searchdown {
    margin: 20px;
}