@media (prefers-color-scheme: dark) {body {background-color:black; color:white;}}
body {font-size:15px; color:#777777; font-family:arial; text-align:center;}
h1 {font-size:64px; color:#555555; margin: 70px 0 10px 0;}
h2 {font-size:20px; color:#555555; margin: 0px 0 50px 0;}
h3 {font-size:22px; color:#555555; margin: 0px 0 15px 0;}
h4 {font-size:15px; color:#555555; margin: 0px 0 10px 0;}
p {text-align:center; margin-left:auto; margin-right:auto; margin-top:30px;}
div {text-align:center; margin-left:auto; margin-right:auto;}
iframe {text-align:left; margin-left:auto; margin-right:auto; font-family:arial;}
a:link {color:#34536A;}
a:visited {color:#34536A;}
a:active {color:#34536A;}
a:hover {color:#34536A;}
details {text-align:center; width:350px; margin-left:auto; margin-right:auto;}