html,
body {
    height: 100%;
    padding: 0;
    margin: 0;
    background: #000;
}

canvas {
    position: absolute;
    width: 100%;
    height: 100%;
    animation: anim 1.5s ease-in-out infinite;
    -webkit-animation: anim 1.5s ease-in-out infinite;
    -o-animation: anim 1.5s ease-in-out infinite;
    -moz-animation: anim 1.5s ease-in-out infinite;
}

#name {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin-top: -20px;
    font-size: 40px;
    font-family: '楷体';
    color: #ea80b0;
}

@keyframes anim {
    0% {
        transform: scale(0.8);
    }

    25% {
        transform: scale(0.7);
    }

    50% {
        transform: scale(1);
    }

    75% {
        transform: scale(0.7);
    }

    100% {
        transform: scale(0.8);
    }
}

@-webkit-keyframes anim {
    0% {
        -webkit-transform: scale(0.8);
    }

    25% {
        -webkit-transform: scale(0.7);
    }

    50% {
        -webkit-transform: scale(1);
    }

    75% {
        -webkit-transform: scale(0.7);
    }

    100% {
        -webkit-transform: scale(0.8);
    }
}

@-o-keyframes anim {
    0% {
        -o-transform: scale(0.8);
    }

    25% {
        -o-transform: scale(0.7);
    }

    50% {
        -o-transform: scale(1);
    }

    75% {
        -o-transform: scale(0.7);
    }

    100% {
        -o-transform: scale(0.8);
    }
}

@-moz-keyframes anim {
    0% {
        -moz-transform: scale(0.8);
    }

    25% {
        -moz-transform: scale(0.7);
    }

    50% {
        -moz-transform: scale(1);
    }

    75% {
        -moz-transform: scale(0.7);
    }

    100% {
        -moz-transform: scale(0.8);
    }
}