.container-subscription-letter {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.content-subscription-letter {
  width: 360px;
  height: 40px;
  box-shadow: 2px 4px 10px rgba(0, 0, 0, .2);
  border-radius: 60px;
  overflow: hidden;
}
@media screen and (max-width: 600px) {
  .content-subscription-letter {
    width: 100% ;
    height: 40px;
    box-shadow: 2px 4px 10px rgba(0, 0, 0, .2);
    border-radius: 60px;
    overflow: hidden;
  }
}

.subscription {
  position: relative;
  width: 100%;
  height: 100%;
}

.subscription .add-email{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  outline: none;
  padding: 0 20px;
}

.subscription .submit-email {
  position: absolute;
  top: 0;
  right: 0;
  height: calc(100% - 2px);
  width: 100px;
  border: none;
  border-radius: 60px;
  outline: none;
  margin: 1px;
  padding: 0 20px;
  cursor: pointer;
  background: #38b0f5;
  color: #FFFFFF;
  transition: width .35s ease-in-out,
    background .35s ease-in-out;
}
@media screen and (max-width: 600px) {
  .subscription .submit-email {
    position: absolute;
    top: 0;
    right: 0;
    height: calc(100% - 2px);
    width: 60px;
    border: none;
    border-radius: 60px;
    outline: none;
    margin: 1px;
    padding: 0 20px;
    cursor: pointer;
    background: #38b0f5;
    font-size: 10px;
    color: #FFFFFF;
    transition: width .35s ease-in-out,
      background .35s ease-in-out;
  }
}

/* .subscription.done .submit-email {
  width: calc(100% - 2px);
  background: #60cb2f;
} */

.subscription .submit-email .before-submit,
.subscription .submit-email .after-submit {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  text-align: center;
  line-height: 38px;
  transition: visibility .35s ease-in-out,
    opacity .35s ease-in-out;
}

/* RTL Support for Arabic */
[dir="rtl"] .container-subscription-letter {
  left: auto;
  right: 0;
}

[dir="rtl"] .subscription .add-email{
  left: auto;
  right: 0;
}

[dir="rtl"] .subscription .submit-email {
  right: auto;
  left: 0;
}

[dir="rtl"] .subscription .submit-email .before-submit,
[dir="rtl"] .subscription .submit-email .after-submit {
  left: auto;
  right: 0;
}

.subscription.done .submit-email .before-submit,
.subscription:not(.done) .submit-email .after-submit {
  visibility: visible;
  opacity: 1;
}

.subscription .submit-email .after-submit {
  transition-delay: .35s;
}

.subscription:not(.done) .submit-email .before-submit,
.subscription.done .submit-email .after-submit {
  visibility: visible;
  opacity: 1;
}