/* Makes a fixed background wrapper
which the user cannot interact with */

html, body,
h1, h2, h3, h4, h5, h6,
a, p, span,
em, small, strong,
sub, sup,
mark, del, ins, strike,
abbr, dfn,
blockquote, q, cite,
code, pre,
ol, ul, li, dl, dt, dd,
div, section, article,
main, aside, nav,
header, hgroup, footer,
img, figure, figcaption,
address, time,
audio, video,
canvas, iframe,
details, summary,
fieldset, form, label, legend,
table, caption,
tbody, tfoot, thead,
tr, th, td {
    margin: 0;
    padding: 0;
    border: 0;
}

html,
body {
    background: #466155;
}


.iframe-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

/* Make the iframe keep an aspect ratio, and
position it in the middle of its parent wrapper*/

.iframe-wrapper iframe {
    width: 100vw;
    height: 56.25vw; /* Given a 16:9 aspect ratio, 9/16*100 = 56.25 */
    min-height: 100vh;
    min-width: 177.77vh; /* Given a 16:9 aspect ratio, 16/9*100 = 177.77 */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}