Hello,
Put this code into custom.css file.
@media screen and (max-width: 480px) { .wpb_text_column .wpb_wrapper .title span{ font-size:14px; } }
Here is a video tutorial how to create custom.css: https://www.youtube.com/watch?v=Qok2zRedRMY&feature=youtu.be.
Regards, Robert Hall.
