@media print {
   #video {
      display: none;
   }
}
#header {
   padding-top: 10px;
}
#header-img {
   width: 640px;
   height: 427px;
}
#nav-bar {
   position: fixed;
   top: 0;
   width: 100%;
   display: flex;
   flex-direction: row;
   justify-content: center;
}
#video {
   width: 500px;
   margin: auto;
}
#form {
   text-align: center;
}
#email {
}
#submit {
}
.nav-link:link, .nav-link:visited {
   border: 1px solid black;
   margin: 0px 5px;
   color: black;
   width: 75px;
   height: 20px;
   text-decoration: none;
   background-color: white;
}
.nav-link:hover {
   background-color: #bdf;
}
.center {
   text-align: center;
}
main {
   margin: auto;
   width: 400 px;
   text-align: center;
}
div {
   width: 400px;
   margin: auto;
   text-align: left;
}