* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Noto Sans TC", sans-serif;
}

footer div p {
  margin-top: 1rem;
  text-align: center;
}

main form {
  display: flex;
  flex-direction: column;
  align-items: center;
}

main h2 {
  margin-top: 1rem;
}

main section.stamps {
  display: flex;
  text-align: center;
  width: 90%;
  min-height: 30vh;
  flex-wrap: wrap;
}

main section.stamps div.stamp {
  display: flex;
  flex-direction: column;
  /* align-items: center; */
  justify-content: space-around;
  padding: 1rem;
  flex: 1 1 100px;
}

main section.cards {
  display: flex;
  text-align: center;
  min-height: 50vh;
  flex-wrap: wrap;
}

main section.cards div.card {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  padding: 1rem;
  flex: 1 1 400px;
}

main section.cards div.card label div img {
  width: 30vw;
  height: 21vw;
}

main div button {
  margin-top: 1rem;
}

@media screen and (max-width: 550px) {
  main section.cards div.card label div img {
    width: 60vw;
    height: 42vw;
  }
}

/* 
writecard 
*/

main.writecard {
  display: flex;
  flex-direction: column;
  align-items: center;
}

main section.makecard {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  width: 90%;
  background-color: orange;
}

main section.makecard div.cardbox-left {
  /* background-color: orange; */
  min-height: 40vw;
  flex: 1 1 400px;
}

main section.makecard div.cardbox-left img {
  margin-top: 1rem;
  margin-left: 1rem;
  width: 45vw;
  height: 32vw;
}

main section.makecard div.cardbox-right {
  /* background-color: orange; */
  min-height: 40vw;
  flex: 1 1 400px;
  position: relative;
}

.Receive_Name_Input {
  position: absolute;
  top: 3rem;
  left: 1rem;
}

.Send_Name_Input {
  position: absolute;
  bottom: 3rem;
  right: 2rem;
}

.shung_ye_content {
  width: 15vw;
  height: 15vw;
  position: absolute;
  top: 1rem;
  right: 5rem;
}

.post_Card_content {
  width: 8vw;
  height: 10vw;
  position: absolute;
  top: 2rem;
  right: 2rem;
}

.content {
  resize: none;
  height: 15vw;
}

.card_content {
  position: absolute;
  top: 15vw;
  left: 3.5vw;

  width: 35vw;
}

::placeholder {
  color: white;
  opacity: 1; /* Firefox */
}

.input-in-card {
  font-size: 22px;
  width: 180px;
  color: white;
  background-color: transparent;
  outline: none;
  border: 1px;
  border-bottom-style: solid;
  border-top-style: none;
  border-left-style: none;
  border-right-style: none;
  border-color: white;
}

.mail_message {
  display: flex;
  flex-direction: column;
  width: 80%;
}

.mail {
  display: flex;
  text-align: center;
  width: 100%;
  margin-top: 1rem;
}

div.mail_message div.mail label {
  flex: 1 1 400px;
}

div.mail_message div.mail div {
  flex: 1 1 1000px;
}

@media screen and (max-width: 920px) {
  main section.makecard div.cardbox-left img {
    margin-top: 1rem;
    margin-left: 2rem;
    width: 55vw;
    height: 39vw;
  }

  .Receive_Name_Input {
    position: absolute;
    top: 1rem;
    left: 1rem;
  }

  .Send_Name_Input {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
  }

  .shung_ye_content {
    width: 20vw;
    height: 20vw;
    position: absolute;
    top: 1rem;
    right: 6rem;
  }

  .post_Card_content {
    width: 12vw;
    height: 15vw;
    position: absolute;
    top: 2rem;
    right: 2rem;
  }

  .card_content {
    position: absolute;
    top: 15vw;
    left: 3.5vw;

    width: 35vw;
    /* height: 15vw; */
  }

  .content {
    height: 23vw;
  }
}