.tabbtn:hover{background-color: red; color: white;}
.tabbtn{background-color: white; color: red; border: none; text-decoration: none;}
.center{text-align: center;}
.lightmode{display: initial;}
.darkmode{display: none;}
@media (prefers-color-scheme: dark) {
  body{background-color: black; color: white;}
  .tabbtn{background-color: black; color: red;}
  .lightmode{display: none;}
  .darkmode{display: initial;}
}
::selection {background-color: red; color: white;}
html{
  font-family: 'Orbitron', sans-serif;
}