.popup-bg {
  position: fixed;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.4);
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}

.popup-bg,
.popup-bg * {
  box-sizing: border-box;
}

.popup {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 35%;
  transform: translate(-50%, -50%);
}

.popup-inner {
  background-color: #fff;
  animation-duration: 0.4s;
  animation-delay: 0s;
}

.popup-header {
  padding: 15px 20px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 25px;
  border-bottom: #e2e2e2 1px solid;
}

.popup-content {
  padding: 20px;
  padding-top: 2em;
}

.popup-input {
  padding: 20px;
}

.popup-content + .popup-input {
  padding-top: 0;
}

.popup input[type='text'],
.popup input[type='password'],
.popup input[type='email'],
.popup input[type='tel']{
  padding: 10px 10px;
  margin-bottom: 20px;
  border: 1px #e2e2e2 solid;
  width: 100%;
  display: block;
  font-size: 18px;

  &:last-of-type{
    margin-bottom: 0;
  }

  &:focus {
    border: 1px #e2e2e2 solid;
    outline-width: 0;
  }
}

.popup-footer {
  text-align: right;
  width: 100%;
  padding: 20px;
}

.popup-footer button {
  font-size: 15px;
  padding: 0.6em 2em;
  margin-left: 10px;
}