body {
background-color: cornsilk;
}
h1, h2, h3, h4, h5 {
    text-align: center;
}
p {
  background-color:antiquewhite;
  width: 50%;
  margin: auto;
  border: 1px solid goldenrod;
  padding: 7.5px;
}
.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: auto;
}
@media (prefers-color-scheme: dark) {
  body {
    filter: invert(100%);
    background-color: rgb(25, 25, 25) !important;
  }
  img,
  iframe /* for recaptcha or web embed */ {
    filter: invert(100%) !important;
  }
}