Text Title CSS Error

Hello,
I am Rajan Bhave Developer of PinProgram.com .
I have an issue regarding header (Title) Instead of logo i choose header as text & added CSS to change the style of text. But, its working on Mobile not on Desktop. on desktop its showing some weird text style.
code :
.site-branding .header-logo .site-title {
font-family: ‘Lobster’, cursive;
color: #000;font-size: 31px;line-height: 20px;
}

website : https://pinprogram.com

Hello there,

I hope you are doing well today.

What was the new code that you added?

Best Regards,
Support

code :
.site-branding .header-logo .site-title {
font-family: ‘Lobster’, cursive;
color: #000;font-size: 31px;line-height: 20px;
}

Hello there,

I have checked the site and the font appears to be the same on mobile and desktop, please clear your browser cache and reload the page.

Best Regards,
Support

Hello,
Please see images.

Hey there

Weird, because ic ant see the same and i can’t see the reason why the font is changing like that because there is no reason, no other font is loaded, please see screenshot
are you using any third party plugins? please deactivate all of them