.reveal h1.title {
  font-size: 1.2em;  /* Adjust size as needed */
}

/* Custom font size classes */
.f70 {
  font-size: 70% !important;
}

.f80 {
  font-size: 80% !important;
}

.f90 {
  font-size: 90% !important;
}

.f60 {
  font-size: 60% !important;
}

.sr-o {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.fr{
  style="color:red;"
}


.fb{
  style="color:blue;"
}

.boxed-math {
  border: 1px solid #000;
  padding: 4px 8px;
  display: inline-block;
  margin-right: 1em;
  border-radius: 4px;
  background-color: #f9f9f9;
}