style.css

body {background-color: #000; margin-top: 100px; margin-left: 10%; margin-right: 10%; justify-content: center;}

h1 {text-align: center; color: white; font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;}
h2 {text-align: center; color: white; font-family: Arial, Helvetica, sans-serif;}
h3 {text-align: center; color: white; font-family: Arial, Helvetica, sans-serif;}
h4 {text-align: center; color: white; font-family: Arial, Helvetica, sans-serif;}
h5 {text-align: center; color: white; font-family: Arial, Helvetica, sans-serif;}
h6 {text-align: center; color: white; font-family: Arial, Helvetica, sans-serif;}

p {text-align: center; color: white;}
a {text-align: center; color: #CCCCFF;}

table {text-align: center; margin-top: 100px; margin: 0 auto;}
tr, th {text-align: center; margin-top: 100px; border: 1px solid; color: white; margin: 0 auto;}
tr, td {text-align: center; margin-top: 100px; border: 1px solid; color: white; margin: 0 auto;}

ul {text-align: center; color: white; list-style: inside;}
li {color: white;}

img {max-width: 70%; text-align: center; display: block; margin:auto;}

pre {overflow-x: auto;} 
pre::-webkit-scrollbar {background: #b3bccc;}
pre::-webkit-scrollbar-thumb {background: #eee; border-radius: 5px;}
pre {
    background: #414449;
    color: #b3bccc;
    padding: 15px;
    font-size: 13pt;
    tab-size: 4;
    -webkit-box-shadow: 0 0 8px 0 rgba(0, 0, 0, 0.75);
    -moz-box-shadow: 0 0 8px 0 rgba(0, 0, 0, 0.75);
    box-shadow: 0 0 8px 0 rgba(0, 0, 0, .75);
    border-radius: 20px;
 }