WordPress site give 404 error for css file

Hello,
Thank in advance
I have a wordpress site
http://www.netukhosting.com/demo/totalbodycare

When i make it that time wordpress version is 4.1.1
but when i update it to version 4.1.6 its redirect to https://
that’s why site don’t get any css file from directory and its look bad.
So how can i solve it.

Please help me.

https://ww.wp.xz.cn/plugins/css/