#input_1_1 {
  border:2px solid black;
}
.popupbtn {
  background: #68C5BD;
  background-image: -webkit-linear-gradient(top, #68C5BD, #68C5BD);
  background-image: -moz-linear-gradient(top, #68C5BD, #68C5BD);
  background-image: -ms-linear-gradient(top, #68C5BD, #68C5BD);
  background-image: -o-linear-gradient(top, #68C5BD, #68C5BD);
  background-image: linear-gradient(to bottom, #68C5BD, #68C5BD);
  -webkit-box-shadow: 0px 1px 3px #666666;
  -moz-box-shadow: 0px 1px 3px #666666;
  box-shadow: 0px 1px 3px #666666;
  font-family: Arial;
  color: #ffffff;
  font-size: 20px;
  padding: 10px 20px 10px 20px;
  text-decoration: none;
}

.popupbtn:hover {
  background: #3cb0fd;
  background-image: -webkit-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -moz-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -ms-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -o-linear-gradient(top, #3cb0fd, #3498db);
  background-image: linear-gradient(to bottom, #3cb0fd, #3498db);
  text-decoration: none;
}