body {
    margin: 0;
    padding: 0;
    color: #00ffe7;
    background: #050510;
    -webkit-font-smoothing: antialiased;
    font-family: "Share Tech Mono", "Microsoft YaHei", monospace;
}

#app {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #071333;
    background-image:
        linear-gradient(rgba(75, 151, 190, .18) 1px, transparent 1px),
        linear-gradient(90deg, rgba(75, 151, 190, .18) 1px, transparent 1px),
        radial-gradient(circle at 50% 45%, rgba(30, 44, 130, .25), transparent 58%);
    background-size: 72px 72px, 72px 72px, 100% 100%;
}

#game-container {
    width: 100%;
    height: 100%;
    position: relative;
    display: grid;
    place-items: center;
    background: #050510;
}

#game-container canvas {
    display: block;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}