body.bte-theme-0 {
    margin: 0;
    height: 100vh;
    background: linear-gradient(to bottom left, black, var(--dusk));
    background-repeat: no-repeat;
    background-attachment: fixed;
}

body.bte-theme-1 {
    margin: 0;
    height: 100vh;
    background: linear-gradient(170deg, #966266, #752d10, #3a3142, #6e5941);
    background-repeat: no-repeat;
    background-attachment: fixed;
}

body.bte-theme-2 {
    margin: 0;
    height: 100vh;
    background: black;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

div.div-footer {
    padding-bottom: 4em;
}

.footer-holder {
    padding-top: 1em;
    text-align: center;
    margin-bottom: 5em;
}

h1, h2 {
    font-family: var(--font-titles);
    font-weight: 1000;
    color: var(--deep-blue);
}

h3, th {
    font-family: var(--font-titles);
    color: var(--turquoise);
}

h4 {
    text-align: center;
    font-family: var(--font-titles);
    color: var(--earth);
    margin-bottom: 16px;
}

p, li, span {
    font-family: var(--font-paragraphs);
    color: wheat;
}

a {
    color: var(--underground);
    font-family: var(--font-paragraphs);
}

b { font-family: var(--font-paragraphs); color: var(--earth); }

a:visited { color: var(--dark_lavender) }
a:hover { color: var(--ocean); }
a.no-underline { text-decoration: none; border: 0 !important; }

table.navbar {
    width: 10em;
    background-color: midnightblue;
}

table.certs {
    margin-left: 1em;
    margin-right: 1em;
    table-layout: fixed;
    border-collapse: collapse;
    border: 1px solid var(--lavender);
    border-width: 1px;
    background-color: var(--dark-blue);

    font-family: var(--font-paragraphs);
}

table.certs tr {
    border: 2px solid var(--dark_lavender);
    color: wheat;
}

table.generic {
    table-layout: fixed;
    border-collapse: collapse;
    border: 1px solid var(--lavender);
    border-width: 1px;
    background-color: var(--dark-blue);

    width: 100%;

    font-family: var(--font-paragraphs);
}

table.generic tr {
    border: 2px solid var(--dark_lavender);
    color: wheat;
}

.figure {
    display: block;
    margin-left: auto; margin-right: auto;
    text-align: center;
    font-style: italic;
    position: relative;
    width: 100%;
}

td nav {
    text-align: center;
}

iframe {
    display: block;
    margin: auto;
    width: 100%; height: 42em;
    border: groove blue;
}

@media (max-width: 825px) {

}