Just want to increase Font size on a Tile Card past 20px

Ildar’s point is sound! There are main threads for most topics that include an enormous amount of examples as well as the guides you seek.

If you look at it from his perspective, why continue to repeat the extensive info he previously provided across hundreds of other threads?

Card_Mod guide created by Ildar

Mushroom Threads here and here
I recently answered the question you seek here and in multiple other previous posts in the threads provided.

card_mod:
      style: |
        ha-card {
         --card-primary-line-height: 40px !important;
         --card-secondary-line-height: 40px !important;
         --card-primary-font-size: 40px !important;
         --card-secondary-font-size: 40px !important;
          }

Tile method was posted in the Main Card_Mod thread here

card_mod:
  style: 
   ha-tile-info$: |
    .info { 
      height: 4em!important;}
    .primary {
      line-height: 1.55em !important;   
      font-size: 1.55em !important;}
    .secondary {
      line-height: 1.55em !important;   
      font-size: 1.55em !important;}
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