Blind covering image

square: true
columns: 1
type: grid
cards:
  - type: entity
    entity: input_number.blind_tvroom_setvalue
    name: TV Room
    card_mod:
      style: |
        .icon {display: none !important; }
        span {font-size: 1.6em !important;}
        ha-card {
          background: linear-gradient(0deg, rgba(99,102,106,.1) {{ states('input_number.blind_tvroom_setvalue')|float(0)-10}}%
                                          , rgba(99,102,106,.95) {{ states('input_number.blind_tvroom_setvalue')|float(0)}}%
                                     ), url("/local/homepics/tvroomview.jpg");
          background-size: cover;
          background-repeat: no-repeat;
        }