.modal-wrapper {
  display: none;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: 999;
}
.modal-container {
  position: fixed;
  width: 364px;
  top: calc(50% - 364px/2);
  left: calc(50% - 364px/2);
  background: #fff;
}
.close-btn {
  position: absolute;
  right: 5px;
  top: 5px;
  font-size: 20px;
  line-height: 22px;
  width: 22px;
  border: 1px solid black;
  text-align: center;
}
.close-btn:hover {
  cursor: pointer;
}
.form-control {
  width: 260px;
  margin-left: 45px;
  margin-top: 20px;
  padding: 5px;
  text-transform: uppercase;
  border: 1px solid;
}
.form-control:focus {
  outline: none;
}
.fs-button {
  margin-left: 45px;
  margin-top: 30px;
  margin-bottom: 20px;
  text-transform: uppercase;
  color: #fff;
  padding: 10px;
  background-color: red;
  border: none;
}
.fs-button:focus {
  outline: none;
}
.modal-visible {
  display: block;
}
@media (max-width: 767px) {
  .modal-container {
    left: 0;
    right: 0;
    width: 100%;
  }
  .form-control {
    margin: 20px 35px 0;
    width: calc(100% - 70px);
  }
}