body, html {
  height: 100%
  margin: 0;
  padding: 0;
  background: url("../img/fremont.jpg");
  background-size: cover;
  background-attachment: fixed;
  background-position: center;

}

 .page-container {
   background: rgba(0, 0, 0, 0.4);
   width: 80%;
   padding: 40px;
   margin: auto;
   color: white;
   margin-top: 2%;
   margin-bottom: 2%;
 }

a {
  text-decoration: none;
  color: white;
}

a:hover {
  color: grey;
}

.jumbotron {
  background: rgba(0, 0, 0, 0.5);
}
.avi-container {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  margin-bottom: 10px;
}
.card {
  background: rgba(0, 0, 0, 0.5);
  margin-right: 10px;
}

.card li {
  margin-left: 10px;
  font-weight: 600;
}
.highlight {
   color: white;
 }

 @media screen and (max-width: 800px) {
   .avi-container {
     width: 75%;
     height: 75%;
     border-radius: 50%;
     margin-bottom: 10px;
   }

   .page-container {
     background: rgba(0, 0, 0, 0);
     width: 80%;
     padding: 40px;
     margin: auto;
     color: white;
     margin-top: 2%;
     margin-bottom: 2%;
   }

   .card {
     margin-top: 10px;
     font-size: 12px;
   }

   .card li {
     font-weight: 500;
   }
 }