mybuddy/core/static/scss/timers.scss

#view-timer-detail {
  #timer-status {
    font-size: $display4-size;
    font-weight: $display4-weight;
  }
}

@include media-breakpoint-up(sm) {
  #view-timer-detail {
    #timer-status {
      font-size: $display1-size;
      font-weight: $display1-weight;
    }
  }
}