style.css

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  src: url('/s/plex.ttf') format('truetype');
}

@keyframes animOpacity {
  from {
    opacity: 0%;
  }
  to {
    opacity: 100%;
  }
}

@keyframes animOpacityN {
  0% {
    opacity: 0%;
    transform: scale(0.5);
  }
  20% {
    opacity: 0%;
    transform: scale(0.5);
  }
  100% {
    opacity: 100%;
    transform: scale(1.0);
  }
}

body {
  background-color: #000;
  color: #ddd;
  margin: 0;
  padding: 0;
  font-family: 'IBM Plex Sans', sans-serif;
}

.furbanner {
  width: 100%;
  height: 600px;
  position: relative;
  overflow: hidden;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-user-drag: none;
  -moz-user-drag: none;
}

.furbanner video {
  min-width: 100%;
  min-height: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  transform: translateX(-50%) translateY(-50%);
  margin: 0;
  padding: 0;
  animation: 1.5s animOpacity;
}

.furbanner .furbannertext {
  position: relative;
  text-align: center;
  z-index: 2;
  color: #fff;
  padding: 10px;
  font-size: 24px;
  animation: 1.25s animOpacityN;
}

.furbannertext p {
  margin: 2pt;
}

.furbannerlogo {
  width: 95%;
  max-width: 1400px;
}

.furbannerlogo1 {
  width: 30%;
  vertical-align: middle;
  -webkit-user-drag: none;
  -moz-user-drag: none;
}

.furbannerlogo2 {
  width: 50%;
  vertical-align: middle;
  -webkit-user-drag: none;
  -moz-user-drag: none;
}

.furdiv {
  padding-top: 20px;
  padding-bottom: 20px;
  padding-left: 16px;
  padding-right: 16px;
  background-color: #123;
}

.furdivflex {
  padding-top: 60px;
  padding-bottom: 60px;
  padding-left: 16px;
  padding-right: 16px;
  background-color: #333;
  display: flex;
  justify-content: center;
}

.flexL {
  flex-direction: row;
  background-color: #222;
}

.flexR {
  flex-direction: row-reverse;
  background-color: #111;
}

.furdivleft {
  display: block;
  width: 480px;
  max-width: 40%;
  padding-left: 30px;
  padding-right: 30px;
  object-fit: contain;
}

.furdivright {
  display: block;
  width: 480px;
  max-width: 40%;
  padding-left: 30px;
  padding-right: 30px;
}

.osbuttons {
  display: flex;
  justify-content: center;
  flex-direction: row;
  flex-flow: row wrap;
  margin-top: 60px;
  margin-bottom: 30px;
}

.osbutton {
  text-align: center;
  margin-left: 40px;
  margin-right: 40px;
  -webkit-user-drag: none;
  -moz-user-drag: none;
}

.furbutton {
  width: 120px;
  height: 120px;
  align-items: center;
  object-fit: contain;
  -webkit-user-drag: none;
  -moz-user-drag: none;
}

.fursub {
  display: block;
}

.furspace {
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.furfooter {
  font-size: 12px;
  color: #777;
  padding-top: 6px;
  padding-bottom: 6px;
  text-align: center;
}

.furfooter a {
  color: #aaa;
  text-decoration: none;
}

@media only screen and (max-width: 800px) {
  .furdivflex {
    display: flex;
  }
  .flexL {
    flex-direction: column;
  }
  .flexR {
    flex-direction: column;
  }
  .furdivleft {
    width: 100%;
    max-width: 100%;
    padding-left: 0px;
    padding-right: 0px;
  }
  .furdivright {
    width: 100%;
    max-width: 100%;
    padding-left: 0px;
    padding-right: 0px;
  }
}

.furhide {
  display: none;
}

input[type=checkbox] {
  display: none;
}

input[type=checkbox] ~ label {
  color: #ccc;
  cursor: pointer;
}

input[type=checkbox]:checked ~ label:before {
  content: '- ';
  color: #0ff;
  cursor: pointer;
}

input[type=checkbox] ~ label:before {
  content: '+ ';
  color: #0ff;
  cursor: pointer;
}

input[type=checkbox]:checked ~ .furhide {
  display: block;
}

a {
  color: #6cf;
}

a:visited {
  color: #fd2;
}

h1 {
  text-align: center;
  color: #8df;
  text-shadow: 0px 0px 10px #08f;
}

.furheader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 40px;
  background-color: #333;
  z-index: 10;
}