html5 canvas 运行起来绝对让你震撼！

从一个大神那看到的，拷贝过来跟大家分享下！

html

<canvas></canvas>

*{margin:0;padding:0;}body{background:#222;} 
canvas{
  position:absolute;
  border:5px solid rgba(255,255,255,0.1);
  box-shadow:inset 0 0 100px #4162a9;
}

css