.reveal section img {
  border: none;
  margin: 0px;
}

table.pre, pre.fssnip, pre{
  background-color: #fff;
  color:#4C1485;
  border: none;
}

span.i {
  color:#258585;
}

span.f {
  color:#852525;
}

span.s {
  color:#258525;
}

.reveal h1, .reveal h2, .reveal h3, .reveal h4, .reveal h5, .reveal h6 {
  margin: 0 0 20px 0;
  color: #4C1485;
  background: rgba(253, 246, 227, 0.65);
}