/* The Modal (background) */
.otp-modal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0,0.8); /* Black w/ opacity */
}

/* Modal Content/Box */
.otp-modal-content {
  text-align: center;
  /*background-color: #fefefe;*/
  margin: 0% auto; /* 15% from the top and centered */
  padding: 3rem 20px;
  max-width: 80%; /* Could be more or less, depending on screen size */
}

/* The Open Button */
.otp-modal-open {
  display:inline-block;
  width:auto;
  color:#fff;
  font-weight: normal;
  font-size: 1.5em;
  border:none;
  white-space:normal;
  border-radius:15px;
  background: #52ae30;
  color: #fff;
  padding: 0.5rem 2rem;
  margin: 1rem 0rem;
  border: 1px solid #2b5c19;
  cursor: pointer;
}

/* The Close Button */
.otp-modal-close {
  display:inline-block;
  background: #4C71AD;
  color: #fff;
  padding: 0.5rem 2rem;
  margin: 1rem 0rem;
  border: 1px solid #315385;
}

.otp-modal-close:hover,
.otp-modal-close:focus {
  cursor: pointer;
}

.otp-frame {
  width:auto;
  height:800px;
  max-height:80%;
  border: 1px solid #888;
}

.otp-start-btn {
  display:inline-block;
  width:auto;
  padding: 20px 40px;
  border:none;
  border-radius:15px;
  background: #37B206;
  color:#fff;
  font-weight: normal;
  font-size: 1.5em;
  white-space:normal;
  cursor:pointer;
  box-shadow: 8px 8px 7px #aaa;
}

.otp-start-btn:hover {
  background: #327916;
  box-shadow: 2px 2px 7px #aaa;
}