body {
    margin: 0px;
    padding: 0px;
    background: #222;
}

a, a:visited, a:hover, a:active {
    color:#fff;
}

#noscript-message, #device-warning {
    width: 250px;
    color: white;
    font-family: Caslon;
    font-size: 32px;
    font-weight: 100;

    top: 50%;
    left: 50%;
    position: absolute;
    transform: translate(-50%, -50%);
}

#device-warning {
    display: none;
}

#timeline {
    position: absolute;
    bottom: 0px;
    left: 0px;
}

#year-arrow {
    width: 0px;
    height: 0px;
    border-left: 30px solid transparent;
    border-right: 30px solid transparent;
    border-bottom: 40px solid black;

    position: absolute;
    bottom: 50px;
    left: 50%;
}

#timeline-wrapper > * {
    z-index: 2;
}

#timeline-wrapper:hover * {
    opacity: 1;
}

#timeline, #year-arrow {
    opacity: 0.9;
    cursor: all-scroll;
    transition-duration: 0.5s;
}


.slide {
    width: 100vw;
    height: 100vh;
    background-color: #222;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    
    display: grid;
    grid-template-columns: 50vw 50vw;
    grid-template-rows: 50vh 50vh;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition-duration: 0.5s;
    z-index: -1;
}

.slide.active {
    opacity: 1;
    z-index: 1;
    animation: backgroundMove 60s linear infinite;
}

@keyframes backgroundMove {
  from {background-position: bottom left;}
  to {background-position: top right;}
}


.left-half, .right-half, .top-left, .bottom-left, .top-right, .bottom-right {
    margin: 15px;
    padding: 20px;

    color: white;
    font-size: 22px;
    font-family: Caslon;
 
    background: rgba(0, 0, 0, 0.6);
    max-height: calc(100vh - 150px);
}

.left-half {
    grid-column-start: 1;
    grid-column-end: 1;
    grid-row-start: 1;
    grid-row-end: 3;
}

.right-half {
    grid-column-start: 2;
    grid-column-end: 2;
    grid-row-start: 1;
    grid-row-end: 3;
}

.top-left {
    grid-column-start: 1;
    grid-column-end: 1;
    grid-row-start: 1;
    grid-row-end: 1;
}

.bottom-left {
    grid-column-start: 1;
    grid-column-end: 1;
    grid-row-start: 2;
    grid-row-end: 2;
}

.top-right {
    grid-column-start: 2;
    grid-column-end: 2;
    grid-row-start: 1;
    grid-row-end: 1;
}

.bottom-right {
    grid-column-start: 2;
    grid-column-end: 2;
    grid-row-start: 2;
    grid-row-end: 2;
}

.date-display {
    color: black;
    font-size: 64px;
    background: none !important;
}

.date-display.default-color {
    color: inherit;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 400;
    font-style: bold;
}