body, html, .container {
    width: 100%;
    height: 100%;
    margin: 0;
    background: #000;
    overflow: hidden;
}
.scene-container {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    height: 100%;
    -ms-flex-pack: center;
        justify-content: center;
}
.scene-container > div:first-child {
    display: block;
    height: 0;
    width: 100%;
}
canvas {
    display: block;
    width: 180vh;
    max-width: 100vw;
    max-height: 100vh;
}
/*.level-select-container {
    user-select: none;
}

.level-select-button {
    background: #a0ceab;
    border: 2px solid #85bb96;
    border-radius: 5px;
    margin: 5px;
    padding: 5px 10px;
    cursor: pointer;
    transition: opacity 0.3s;
}

.level-select-button:hover {
    opacity: 0.8;
}*/