Hello My Name Is BobCraft You Can Call Me BobCraft, I Want To Know How To Make Splash Texts Bigger

Hello My Name Is BobCraft, You Can Call Me Bob, I played Minecraft Ever Since I Was 4 I Now I Am 11, I Am Making A *Resource Pack That Makes Things Look Like Console Edition Os Minecraft (Minecraft PS4) With A Few Mix Of Mods But The Mod Is Only For Me Because The Mods Are Not Made Buy Me, I Fixed Them And Edited Them To Make It Look Like Minecraft ps4, The Last Thing To Do Is The Splash Text Size,

I Want The Splash Texts Bigger Not Too Much Its The Only Problem I Have,

I Want It Slighly Bigger Just Like The Ps4 Legacy Edition

This Is Not a Bug i Just Need Help