a:link, a:visited {
  color: white;
  text-decoration: underline;
  }

a:link:active, a:visited:active {
  color: white;
}

header{
    height: 78vh;
    width: 100%;
     
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

#background-video{
     width: 100%;
     position: absolute;
     z-index: -1;
}

section{
    display: block;
    justify-content: center;
    align-items: center;
}

h1 {
  color: white;
}

h3 {
  color: white;
}