html, body, div, p, ul, h1, h2, h3, h4, h5, h6, i, li, span {
    margin: 0;
    padding: 0;
}

a:link, a:hover, a:visited, a:active {
    text-decoration: none;
}

ul {
    list-style: none;
}

html, body {
    width: 100%;
    height: 100%;
    font-size: 10px;
    font-family: '微软雅黑', 'Arial';
    overflow: hidden;
}

.game-container {
    width: 100%;
    height: 100%;
}

.game-container canvas {
    width: 100%;
    height: 100%;
}

.game-container .game-tip, .game-container .game-over {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.3);
}

.game-container img {
    position: absolute;
}

.game-container .game-over {
    display: none;
}

.delay {
    animation-delay: 0.5s;
}