/* Target the Timezone */
a[h3*="tz"] {
  position: relative;
  color: transparent !important; /* Hide original text */
}

/* Add custom label */
a[h3*="tz"]::after {
  content: "PHST";
  color: #ffffff; /* Adjust text color */
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
}