.sidenav {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 99;
  top: 0;
  left: 0;
  background-image: url('../images/resume_speaker.png');
  background-size: cover;
  background-repeat: no-repeat;
  overflow-x: hidden;
  transition: 0.5s;
  padding-top: 140px;
  text-align:center;
}

.sidenav a {
  padding: 8px 8px 8px 32px;
  text-decoration: none;
  font-size: 25px;
  color: #818181;
  display: block;
  transition: 0.3s;
}

.sidenav a:hover{
  color: #f1f1f1;
}

.sidenav .closebtn {
  position: absolute;
  top: 70px;
  right: 25px;
  font-size: 36px;
  margin-left: 50px;
}

#back-resume-speaker {
  background-color: rgb(55, 160, 241, 0.5);
  width: 100%;
  height: 100%;
  position: fixed;
  z-index: 99;
  top: 0;
  left: 0;
  background-size: cover;
  background-repeat: no-repeat;
  overflow-x: hidden;
  transition: 0.5s;
  display: none;
}

@media screen and (max-height: 450px) {
  .section {
    margin: 100px 30px;
  }

  .sidenav .closebtn {
    padding-bottom: 30px;
  }
}