分割线：
彩色转动小球分割线
<section style="text-align: center;"><section style="display: inline-block;"><section style="width:4.5em;"><img style="display: block;width: 100%;" src="http://image2.135editor.com/cache/remote/aHR0cHM6Ly9tbWJpei5xbG9nby5jbi9tbWJpel9naWYvN1FSVHZrSzJxQzY0SmVncDBsZ0xER2FmcmR2VThNVjhpYUpFZEFScW1yZnU2R3ZWT1RlSG5pYmhNSERPeEd5V2dxTHVocFYxaWNrRkJCbksxNzhsYk1mMWcvMD93eF9mbXQ9Z2lm"></section></section></section>
蓝色动态渐变小方块分割线
<section style="text-align: center;"><section style="display: inline-block;"><section style="width:4.5em;"><img style="display: block;width: 100%;" src="http://image2.135editor.com/cache/remote/aHR0cHM6Ly9tbWJpei5xbG9nby5jbi9tbWJpel9naWYvN1FSVHZrSzJxQzY0SmVncDBsZ0xER2FmcmR2VThNVjgwRndOUVBNYm5zckw3dVpaaWNRY210RGt3TnU1d2ZsY1lpY29KMU9Tb0tMRnBjSDJ3YzE1dkp4dy8wP3d4X2ZtdD1naWY="></section></section></section>
