CSS code that only affects mobile?

Hi @scottsos,

Could you try the following custom CSS and see is it works,

@media only screen and (max-width: 720px) {
    .entry-content .more-link{
    display: none;
    }
    .above-entry-meta .cat-links{
    display: none;
    }

Ref: https://docs.themegrill.com/knowledgebase/where-do-i-add-my-custom-css/

Kind Regards,
ThemeGrill Support.