to adapt an html site to mobile or smartphone screen

Question

Hello,

I develop an html site and my site is not much visible on mobile phones, the texts are smalls and the body screen is not adjusted.

I'm trying to use the viewport meta balise but there is no change, the texts are smalls and the body screen is not adjusted.

See my tries with viewport :

<meta name="viewport" content="width=device-width, initial-scale=1, target-densitydpi=device-dpi" />
<!-- <meta name="viewport" content="width=1020" /> -->
<!-- <meta name="viewport" content="initial-scale=0.8, zoom=10%, width=device-width, target-densitydpi=high-dpi" /> -->
<!-- <meta name="viewport" content="width=device-width,minimum-scale=1,initial-scale=1" /> -->

So what can I do to adjust my site to the mobile or smartphone !?

the site is www.jobersplace.com.

thanks you.

marc-antoine