* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial;
  font-size: 17px;
  background-color: #000;
}

a:link, a:visited {
    text-decoration: none;
    color: #fff;
    padding: 5px;
    background-color: #999;    
}

a:hover {
    text-decoration: underline;
}

#myVideo {
  position: fixed;
  right: 0;
  bottom: 0;
  min-width: 100%; 
  min-height: 100%;
}

.content {
  position: fixed;
  top: 0;
  background: rgba(0, 0, 0, 0.5);
  color: #f1f1f1;
  width: 100%;
  padding: 20px;
  z-index: 1;
}

#btnPausePlay, #btnSound{
  width: 150px;
  font-size: 14px;
  padding: 10px;
  border: none;
  background: #000;
  color: #fff;
  cursor: pointer;
}

#btnPausePlay:enabled:hover, #btnSound:enabled:hover{
  background: #ddd;
  color: black;
}

#navigation {
  position: fixed;
  top: 5px;
  left: 25px;
  z-index: 6;
}