.btn {
    position: relative;
    z-index: 20;
    /*background-color: rgb(112, 133, 135);
    border-color: transparent;
    box-shadow: 0px 0px 6px 1px #00000055;
    margin: 5px;
    color: #ffffff;*/
    font-size: 23px;
}

.btn img{
    height: auto;
    width: 75px;
    max-height: 75px;
}

#container {
    position: absolute;
    overflow:hidden;
    width: 100%;
    /*height: 375px;*/
    height:100%;
    top: 0;
    left: 0;
    margin: 0 auto;
  }

#scene {
    overflow: hidden;
    position: absolute;
    width:100%;
    /*height: 375px;*/
    height:100%;
    left: 0;
    z-index: 1;
}

#close-button {
    font-family: sans-serif;
    font-weight: bold;
    position: absolute;
    right: 10px;
    top: 10px;
    cursor: pointer;
  }

#canvas {
    display: block;
    margin-left: 200px;
}

#buttons {
    position:absolute;
    bottom: 15px;
    width: 100%;
    text-align: center;
    visibility: hidden;
}

#loadingPercentage {
    font-size: 100px;
    width:100%;
    top: 40%;
    vertical-align: middle;
    text-align: center;
    position: absolute;
    z-index: 20;
    color:rgba(135, 187, 156, 0.5);
}			

#scene > canvas {
    margin: 0 auto !important;
    user-select: none;
}

#overlay {
	position: absolute;
	font-size: 16px;
	z-index: 99;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
	background: rgba(0,0,0,0.7);
}

	#overlay button {
		background: transparent;
		border: 0;
		border: 1px solid rgb(255, 255, 255);
		border-radius: 4px;
		color: #ffffff;
		padding: 12px 18px;
		text-transform: uppercase;
		cursor: pointer;
	}


/* MOBILE */
@media (max-width: 627px) {
    #buttons {
    bottom: 5px;
    }

    .btn img{
    width: 50px;
    max-height: 50px;
    }
}