presentation.css

@import url('https://fonts.googleapis.com/css?family=Open+Sans:300,400,800&display=swap');
@import url('https://fonts.googleapis.com/css?family=Special+Elite');
@import url('https://fonts.googleapis.com/css?family=Lato&display=swap');

body {
    font-size: 200%;
    text-align: center;
    font-family: 'Open Sans';
    background-color: black;
    color: white;
}

p {
    font-weight: 300;
    margin-bottom: 0.3em;
    margin-top: 0.3em;
    text-align: left;
}

pre {
    text-align: left;
}

h1 {
    font-weight: 300;
}

h1, h2, h3, h4 {
    margin-bottom: 0.3em;
    margin-top: 0.3em;
}

div#title-slide h1,h2,h3,h4 {
    margin-top: 1em;
    margin-bottom: 2em;
}

div#title-slide h3 {
    font-weight: 300;
}

tt {
    font-size: 125;
}

ul {
    list-style-position: inside;
}

li {
    font-family: serif;
    font-weight: normal;
    margin-bottom: 0.3em;
    margin-top: 0.3em;
    padding-left: 0.3em;
    line-height: 1.8em;
    text-align: left;
}

a {
    text-decoration: none;
    color: white;
}

#background-physics img {
    background-color: white;
}

.white-back img {
    background-color: white;
}

.padded {
    margin: 50px;
}

.highlight {
    background-color: wheat;
    color: black;
    padding: 30px;
}

h2 {
    color: teal;
}

.emphasis {
    color: #249BC4;
    padding-top: 100px;
    font-size: 48px;
}

.mjx-chtml {
    color: #249BC4;
}

.emph {
    color: #249BC4;
    padding-top: 1em;
    padding-bottom: 1em;
}

.hidden {
    display: none;
}

.header img {
    opacity: 0.2;
    width: 25%;
    position: absolute;
    left: 0;
}

.footer {
    opacity: 0.7;
    position: absolute;
    top: 94%;
    line-height: 28px;
    font-family: 'Lato', sans-serif;
    transform: scale(0.65) translateX(-150px);
}

.footer p {
    font-size: 26px;
    font-weight: 400;
}

.footer img {
    vertical-align: top;
}

.substep { opacity: 0; }
.substep.substep-visible { opacity: 1; transition: opacity 1s; }

blockquote {
    font-family: 'Special Elite', cursive;
	font-weight: 100;
	font-size: 2rem;
	max-width: 600px;
	line-height: 1.4;
	position: relative;
	margin: 0;
    margin-top: 5rem;
	padding: .5rem;
}

blockquote:before,
blockquote:after {
    font-family: 'Special Elite', cursive;
	position: absolute;
	color: #9d9d9d;
	font-size: 8rem;
	width: 4rem;
	height: 4rem;
}

blockquote:before {
    font-family: 'Special Elite', cursive;
	content: '“';
	left: -5rem;
	top: -2rem;
}

blockquote:after {
    font-family: 'Special Elite', cursive;
	content: '”';
	right: -5rem;
	bottom: 1rem;
}

cite {
    font-family: 'Special Elite', cursive;
	line-height: 3;
	text-align: left;
    font-size: 20px;
}

.step .right {
    float: right;
    margin-left:   40px;
    margin-right:   0px;
    margin-top:    20px;
    margin-bottom: 20px;
}
.step .left {
    float: left;
    margin-right:  40px;
    margin-left:    0px;
    margin-top:    20px;
    margin-bottom: 20px;
}
.step .top {
    position: absolute;
    top: 20px;
    margin-bottom:  20px;
    margin-top:      0px;    
}
.step .bottom {
    position: absolute;
    bottom: 20px;
    margin-bottom:   0px;
    margin-top:     20px;    
}

.wide-step {
    width: 1000px;
}

.quite-wide-step {
    width: 1400px;
}

.very-wide-step {
    width: 1800px;
}