*{
    margin: 0px;
    box-sizing: border-box;
}



#toc{
    position: fixed;
    background-color: black;
    color: white;
    bottom: 00px;
    left: 0px;
    width: 100%;
    padding: 10px;
    margin-top: 0px;
    padding-left: 20px;
    padding-top: 0px;
    height: 25%;
}

#cirrus{
    font-weight: 100;
}
#cirrocumulus{
    font-weight: 200;
}
#cirrostratus{
    font-weight: 300;
}
#altocumulus{
    font-weight: 400;
}
#altostratus{
    font-weight: 500;
}
#nimbostratus{
    font-weight: 600;
}
#stratocumulus{
    font-weight: 700;
}
#stratus{
    font-weight: 800;
}
#cumulus{
    font-weight: 900;
}
#cumulonimbus{
    font-weight: 900;
}

body {
    background-color: white;
    --width-cloud: 700px;
    --width-title: 150px;
    --height-clouds: 75vh;
}

section {
    border-left: 2px solid black;
}

section p{
    width: 85%;
}

#prefatory-note {
    position: fixed;
    background-color: black;
    color: white;
    bottom: 00px;
    left: 20%;

    padding: 10px;
    margin-top: 0px;
    padding-right: 100px;
    padding-top: 0px;
    width: 40%;
    height: 25%;
}

#colophon {
    position: fixed;
    background-color: black;
    color: white;
    bottom: 00px;
    left: 65%;
    width: 100%;
    padding: 10px;
    margin-top: 0px;
    padding-right: 100px;
    padding-top: 0px;
    width: 40%;
    height: 25%;
}

#footerContainer {
height: 25%;
}

#content-container {
    padding-left: 20px;
    width: 100vw;

    height: var(--height-clouds);
    background-color: whitesmoke;
    overflow: scroll;
}


#cover h1 {
    font-family: 'Open Sans';
}

img{
    max-width: 80%;
    max-height: 50%;
    position: relative;
    bottom: -5vh;
}

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

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

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

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

p {
    font-family: 'Plain';

    font-size: 16px;
    line-height: 1.2;
}



ul{
    font-family: 'Plain';

    font-size: 16px;
    list-style-type: circle;
}

h2{
    break-before: page; 
    font-size: 65px;
    font-family: 'Ribes';
    margin-bottom: 50px;
    margin-top: 0px;
}

#container-clouds h1{
    font-size: 100px;
    font-family: 'Ribes';
    margin: 0px!important;
    width: var(--width-title);
    height: 100%;
    background-color: whitesmoke;
    border-left: 10px solid black;
    overflow: hidden;
    height: var(--height-clouds);
    color: black;
    padding: 20px;
}

#container-clouds h1 span{
    display: block;
    transform: rotate(-90deg);
    width: var(--height-clouds);
    transform-origin: top left;
    position: relative;
    top: calc(var(--height-clouds)*1);
    white-space: nowrap;
    padding-left: 60px;
}

h3{
    font-size: 65px;
    font-family: 'Ribes';
    margin-bottom: 50px;
    margin-top: 0px;
}

#cover {
    display: none;
}

h4{
    font-size: 200px;
    font-family: 'Ribes';
    margin-bottom: 0px;
    margin-top: 00px;
    display: none;
}

.chapter {
    width: 400px;
    display: inline-block;
}


#container-clouds{
    width: calc(11*var(--width-cloud) + 3*var(--width-title));
    display: flex;
    justify-content: flex-start;
    height: var(--height-clouds);
}

.chapter{
    width: var(--width-cloud);
    height: var(--height-clouds);
    padding: 20px;
}