body {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  background-color: rgb(227, 245, 243);
}

h1 {
  text-align: center;
  color:rgb(50, 72, 131);
}

h3 {
  font-family: sans-serif;
  color:rgb(50, 72, 131);
  font-size: 1em;
}

form {
  width: 500px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}
input {
  display: block;
  padding: 6px 12px;
  border-radius: 5px;
  border: 1px solid rgb(50, 72, 131);
  margin-top: 3px;
}
label {
  font-family: sans-serif;
  display: block;
  margin-top: 10px;
}

.input,
.output {
  border: 1px solid rgb(195, 197, 201);
  border-radius: 5px;
  padding: 20px;
  margin: 10px;
}

@media (max-width: 575px) {
  form {
    width: 300px;
    flex-direction: column;
  }
}