Different height for home banner image on mobile

Site URL: https://bad-obsession.com

Hi Tuanphan,

I hope you're doing alright.

I have gone through your coding advice to other people in this thread and tried to insert custom CSS on my site www.bad-obsession.com (code: bibi007) so that the height of the homepage banner image (with the guy and the girl) on mobile devices is different from the height on desktop.

For your information I'm in the middle of my 14 days trial period.

Here is the code I tried to insert and did not work :

@media screen and (max-width:640px) {

[data-parallax-id="5f852269ae879c7bde5e19a2"] .section-background img {

    height: 40vh;

}

}

Thank you in advance for your kind help

toniohb

I think you should use @ to call for his name 

Thank you @bangank36 !

I did that in the form but maybe I should ask in the thread I was refering to in my message.

I am new here and did not know I was starting a new topic. Sorry 

I am also looking for how to resize one image on mobile. Can't find the block id anywhere and unfortunaltey cannot post as it's an unpublished site controlled by an angency.