@font-face {
  font-family: 'IBM Plex Mono';
  src: url('fonts/IBMPlexMono-Regular.woff2') format('woff2'),
       url('fonts/IBMPlexMono-Regular.woff') format('woff');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'IBM Plex Sans';
  src: url('fonts/IBMPlexSans-Regular.woff2') format('woff2'),
       url('fonts/IBMPlexSans-Regular.woff') format('woff');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
    --primary-color: #70FFAD;
    --secondary-color: #353340;
    --tertiary-color: #E54980;
}

body, html {
    height: 100%;
    margin: 0;
    background-color: var(--secondary-color);
    font-family: 'IBM Plex Mono', Courier, monospace;
}

a:link, a:visited, .navbar a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover, .navbar a:hover {
    text-decoration: none;
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.middle p {
    font-family: 'IBM Plex Sans', sans-serif;
}

.main {
    height: 100%;
    background-position: center;
    background-size: cover;
    position: relative;
    color: var(--primary-color);
    font-size: 20px;
}

.navbar {
    width: 100%;
    background-color: var(--secondary-color);
    overflow: auto;
    border: 1px solid var(--primary-color);
    border-width: 1px 0;
}

.navbar a {
    float: left;
    display: block;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
}

.top, .middle, .bottom {
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.top { top: 5%; }
.middle { top: 50%; }
.bottom { bottom: 0; }

.header {
    text-align: center;
}

hr {
    height: 1px;
    border: none;
    border-top: 1px solid var(--primary-color);
    margin: 1em 0;
    padding: 0;
}