/* general */
body {
    margin: 0 0 0 0;
    font-family: serif;
}

:link {
	color: darkblue;
}

:visited {
	color: darkmagenta;
}

a:hover {
    color: green;
}

/* page layout */
.skip {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip:focus {
    position: static;
    width: auto;
    height: auto;
}

header, #content, footer {
    display: table;
}

/* table-row settings */
.row {
    display: table-row;
}

.row > * {
    display: table-cell;
    vertical-align:top;
    padding: 0.5em;
}

.row img {
    display: block;
}

.row .expandingcell {
    width: 100%;
}

/* header section */
header {
    background-color: blanchedalmond;
    /* position: sticky; */
    /* top: 0;
    left: 0; */
}

header #leftspace img {
    width: 3em;
}

header #middlespace {
    text-align: center;
}

header #rightspace img {
    width: 3em;
}

header h1 {
    margin: 0 0 0 0;
}

/* content section */
#content .row > * {
    padding: 1em;
}

#content nav {
    background-color:beige;
}

#content nav > * {
    width: 8em;
}

#content nav h2 {
    font-size: medium;
    margin: 0 0 0 0;
}

#content nav li {
    list-style-type: none;
	list-style-position: inside;
	margin-left: 0.5em;
}

#content nav ul {
	margin-top: 0.5em;
	margin-bottom: 0.5em;
	padding-left: 0;
    padding-right: 0;
}

#content main {
    text-align: center;
    background-color:khaki;
}

#content main img {
    display: inline-block;
}

#content main h2,
#content main h3 {
    margin: 0 0 0 0;
}

/* footer section */
footer {
    background-color: coral;
}

footer .emptycell {
    padding: 0 0 0 0;
    width: 1px;
}