html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background: #000;
    overflow: hidden;
    font-family: sans-serif;
}

#unity-container {
    position: absolute;
    width: 100%;
    height: 100%;
}

#unity-canvas {
    width: 100%;
    height: 100%;
    background: black;
}

#loading-screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    text-align: center;
    color: white;
}

#loading-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
    margin: 10px auto;
}

#loading-progress {
    height: 100%;
    width: 0%;
    background: white;
    border-radius: 2px;
    transition: width .2s;
}