html, body{
  background-color: gray;
  color: tomato;
  position: relative;
  z-index: 1;
}

.sidenav{
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: rgba(0,0,0,0.8);
  overflow-x: hidden;
  padding-top: 60px;
}

.loginpage{
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.8);
  overflow-x: hidden;

}

.login_close_border{
  width: 33%;
  height: 100%;
  vertical-align: top;
  display: inline-block;
  z-index: 2;

}

.login_form_content{
  vertical-align: middle;
  background-color: gray;
  width: 32%;
  height: 100%;
  display: inline-block;
  position: relative;
  z-index: 3;
}

.login_form_content > form{
  position: relative;
  top: 50%;
  left: 20%;
}

.openbtn{
  font-size: 36px;
}

.loginbtn{
  font-size: 36px;
  position: absolute;
  top: 0;
  right: 5%;
}

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


.login_form_content .closebtn{
  position: absolute;;
  top: 0;
  right: 25px;
  font-size: 36px;
}

.sidenav .closebtn{
  position: absolute;
  top: 0;
  right: 25px;
  font-size: 36px;

}