html, body {
    background-color: #000;
    min-height: 100%;
    overflow: hidden;
    transition: background-color 13s;
}

html.no-transition,
html.no-transition body,
html.no-transition #landscape {
    transition: none !important;
}

body {
    height: 100vh;  
    left: 0;
    width: 100%;
    position: fixed;
    top: 0;
    transform: scaleX(1.5);
    transform-origin: center center;
}

audio {
    opacity: 0;
    pointer-events: none;
}

#landscape {
    cursor: pointer;
    filter: blur(2vh);
    height: 100vh;
    left: 0;
    opacity: 0;
    position: fixed;
    transition: opacity 13s;
    transform-origin: center center;
    transform: scaleY(1.3);
    top: 0;
    width: 100vw;
}

#sky, #ground, #sun {
    height: 50vh;
    left: 0;
    position: fixed;
    width: 100%;
}

#sun {
    background-color: darkgoldenrod;
    border-radius: 50%;
    filter: blur(5vh);
    left: 50vw;
    transform: translateX(-50%);
}

#sky {
	top: 0;
}

#ground {
	top: 50vh;
}

#play {
    position: absolute;
    z-index: 1111;
}

.box {
    background: #000;
    height: 100vh;
    pointer-events: none;
    position: fixed;
    top: 0;
    width: calc((100vw - 9 / 16 * 100vh) * 0.5);
}

.box.right {
    right: 0;
}

.button {
    border: 10vh solid transparent;
    border-left: 10vh solid #333;
    border-right: 0;
    filter: blur(1vh);
    height: 0;
    left: 50%;
    pointer-events: none;
    position: fixed;
    top: 50%;
    transform: translate(-45%, -60%);
    width: 0; 
}