html,
        body {
            height: 100%;
            padding: 0;
            margin: 0;
            background: #000;
        }
        canvas {
            top: 24%;
            position: absolute;
            width: 60%;
            height: 60%;
            left: 20%;
        }
        .content{
            z-index: 999;
            color: #ffffff;
            top: 20px;
            font-size: 18px;
            position: absolute;
            left: 20px;
            width: 80%;
        }
        @keyframes k{
            100%{
                font-size: 24px;
                opacity: 0;
            }
        }
        .xx{
            animation: k 1s ease-in-out infinite;
        }
        .zx{
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%,-50%);
            color: pink;
            animation: k 1.5s ease-in-out infinite;
        }
        @keyframes k{
            100%{
                font-size: 24px;
                opacity: 0;
            }
        }