#bodytitle h2 {
  width: 100%;
  text-align: center;
}

#mainbody {
  width: 100%;
  height: calc(100vh - 100px - 2em - 1px - 80px - 15px) ;

}

.download_link h3 {
  color: black;
}

/* Desktop Body */
@media (min-width: 761px) {
  header {
    margin-bottom: 5px;
  }

  h2 {
    margin-bottom: 5px;
  }

  embed {
    display: none;
    height: calc(100% - 50px - 2em - 20px - 45px);
    width: 100%;
    margin-bottom: 5px;
  }
}

/* Mobile body */
@media (max-width: 760px) {

  #bodytitle h3 {
    width: 100%;
    text-align: center;
    margin-bottom: 2.5vh;

    font-size: 80%;
    font-weight: lighter;
  }
}