theme.css

/* Reset CSS from Eric Meyer */

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}

/* Our style */

body{
	display: flex;
	flex-direction: column;
	min-height: 100vh;
	background-color: #222;
	color: white;
}

.holygrail-body {
	flex: 1 0 auto;
	display: flex;
}

.holygrail-body .content {
	width: 100%;
}

#sessions {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: space-around;
}

.holygrail-body .nav {
	width: 220px;
	list-style: none;
	text-align: left;
	order: -1;
	background-color: #333;
	margin: 0;
}

@media (max-width: 700px) {
	.holygrail-body {
		flex-direction: column;
	}

	.holygrail-body .nav {
		width: 100%;
	}
}

.session p span {
	float: right;
}

.session p {
	padding-top: 5px;
	padding-bottom: 5px;
}

.stream {
	background-color: black;
	width: 480px;
}

#camera-list {
	text-align: center;
}

.button {
	border: none;
	padding: 8px;
	text-align: center;
	text-decoration: none;
	display: inline-block;
	font-size: 16px;
	-webkit-transition-duration: 0.4s; /* Safari */
	transition-duration: 0.4s;
	cursor: pointer;
	margin: 5px auto;
	width: 90%;
}

.button1 {
	background-color: #222;
	color: white;
	border: 2px solid #4CAF50;
  word-wrap: anywhere;
}

.button1:hover {
	background-color: #4CAF50;
	color: white;
}

#image-holder {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: space-around;
}