html {
    box-sizing: border-box;
    background-color: black;
}

*, *:before, *:after {
    box-sizing: inherit;
}

html, body {
    height: calc(var(--vh,vh)*100);
}

canvas {
    display: block;
}

body {
    margin: 0;
    overflow: hidden;
}
/*#unity-container {
    width: 100%;
    height: 100%;
}*/
/* maintain 960x540 aspect ratio */
#unity-container {
    width: 100vw;
    height: 56.25vw;
}

@media only screen and (max-width: 960px), (max-height: 540px) {
    #unity-container {
        width: 960px;
        height: 540px;
    }
}

.webgl-content * {
    border: 0;
    margin: 0;
    padding: 0;
}

.webgl-content {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

#unity-canvas {
    width: calc(var(--vw,vw)*100);
    height: calc(var(--vh,vh)*100);
    display: none;
    background:#231F20;
}

#loading-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#unity-loading-bar {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 10px 150px;
}

#unity-logo {
    text-align: center;
    margin: 50px;
}

    #unity-logo img {
        max-width: calc(var(--vw,vw)*80);
        max-height: calc(var(--vh,vh)*80);
    }

#unity-progress-bar-empty {
    width: calc(var(--vw,vw)*100);
    height: 24px;
    margin: 10px 20px 20px 10px;
    text-align: left;
    border: 1px solid white;
    padding: 2px;
}

#unity-progress-bar-full {
    width: 0%;
    height: 100%;
    background: white;
}

.light #unity-progress-bar-empty {
    border-color: black;
}

.light #unity-progress-bar-full {
    background: black;
}

#unity-fullscreen-button {
    position: absolute;
    right: 10px;
    bottom: 10px;
    width: 38px;
    height: 38px;
    background: url('fullscreen-button.png') no-repeat center;
    background-size: contain;
}

.spinner,
.spinner:after {
    border-radius: 50%;
    width: 5em;
    height: 5em;
}

.spinner {
    margin: 10px;
    font-size: 10px;
    position: relative;
    text-indent: -9999em;
    border-top: 1.1em solid rgba(255, 255, 255, 0.2);
    border-right: 1.1em solid rgba(255, 255, 255, 0.2);
    border-bottom: 1.1em solid rgba(255, 255, 255, 0.2);
    border-left: 1.1em solid #ffffff;
    transform: translateZ(0);
    animation: spinner-spin 1.1s infinite linear;
}

@keyframes spinner-spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}