html, head {
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, serif;
}

.main {
  padding-top: 80px;
  text-align: center;
  margin: 0 auto; 
  color: black;
}

video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  background: transparent;
}

a:link {
  color: black;
  background-color: transparent;
  text-decoration: none;
}

a:visited {
  color: black;
  background-color: transparent;
  text-decoration: none;
}

a:hover {
  color: black;
  background-color: transparent;
  text-decoration: underline;
}

a:active {
  color: black;
  background-color: transparent;
  text-decoration: underline;
}