.form-overlay{
  height:100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: rgb(0,0,0);
  background-color: rgba(0,0,0, 0.9);
  overflow-x: hidden;
  transition: 0.5s;
}

.form-overlay-content {
  display:flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  position: relative;
  top: 25%;
  width: 100%;
  font-family: 'Poppins', sans-serif;
  font-family: 'Roboto', sans-serif;
  text-align: center;
  margin-top: 30px;
  color:white;
}

.form-overlay a {
  padding: 8px;
  text-decoration: none;
  font-size: 36px;
  color: #818181;
  display: block;
  transition: 0.3s;
}

.form-overlay a:hover, .form-overlay a:focus {
  color: #f1f1f1;
}

.form-overlay .closebtn {
  position: absolute;
  top: 20px;
  right: 45px;
  font-size: 60px;
}

#myform
{
  display:flex;
  flex-direction: column;
  justify-content:center;
  width:500px;
  height:400px;
  border:3px solid white;

}
#myform > div
{
  display:flex;
  margin-left:150px;
  justify-content: center;
  align-items: center;
  border:2px solid white;
  width:200px;
  border-radius: 20px;
  height:50PX;
  background-color:#ffffff;

}

@media screen and (max-height: 450px) {
  .form-overlay a {font-size: 20px}
  .form-overlay .closebtn {
  font-size: 40px;
  top: 15px;
  right: 35px;
  }
}