Change colour of title on one portfolio tile only

Hi there, I'm trying to change the colour of the title on one of my client's portfolio tiles on the home page from black to white on hover (see image attached)

Tried to get the section ID but it's obviously selecting the entire portfolio. Can anyone help?

https://shark-bumblebee-p366.squarespace.com/

Thanks in advance

Worked perfectly, thank you @tuanphan 🌟