.gadget-big,
.gadget-big p,
.gadget-big li,
.gadget-big div,
.gadget-big span,
.gadget-big a,
.gadget-big td,
.gadget-big th {
  font-size: 25px !important;
  line-height: 1.5;
  text-align: center;
}

.gadget-big h1,
.gadget-big h2,
.gadget-big h3 {
  font-size: 30px !important; /* adjust as needed */
  text-align: center;
}