body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;

  font-family: "Gill Sans", "Gill Sans MT", Calibri, "Trebuchet MS", sans-serif;
  background-color: #161618;
  color: gray;
}

header {
  text-align: center;
}
section {
  text-align: center;
}
section textarea {
  width: 800px;
  height: 400px;
  outline: none;
  padding: 14px;
}
.infos {
  display: flex;
  justify-content: center;
  gap: 50px;
}
textarea {
  background-color: #1b1b1f;
  color: #fff;
}
span {
  color: #bdbcbc;
}

/* responsive */

@media (max-width: 900px) {
  section textarea {
    width: 90%;
    height: 300px;
  }

  .infos {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }
}
@media (max-width: 810px) {
  section textarea {
    width: 600px;
    height: 400px;
    font-size: 14px;
  }
 
}
@media (max-width: 500px) {
  section textarea {
    height: 200px;
    font-size: 14px;
  }

  header h1 {
    font-size: 20px;
  }

  .footer-links {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    padding: 0;
  }
}
@media (max-width: 420px) {
  section textarea {
    width: 90%;
    height: 200px;
    font-size: 14px;
  }
  .footer-links {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    padding: 0;
  }
}