.container {
  display: flex;
  justify-content: center;
}

.corpo-imc {
  background-color: #e78432e7;
  display: inline-flex;
  padding: 1.5em;
  border-radius: 0.5em;
  flex-direction: column;
  align-items: center;
  width: 20em;
  box-shadow: 5px 5px rgba(0, 0, 0, 0.5);
}

h2 {
  color: rgba(0, 0, 0, 0.5);
}
h1 {
  margin-block-start: 0em;
  color: rgba(0, 0, 0, 0.5);
}
.input_area {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
input {
  height: 1.5em;
  border-radius: 5px;
  border: none;
}
textarea {
  display: none;
  font-size: 20px;
  width: 100%;
  margin-top: 2em;
}

button {
  font-size: 18px;
  font-family: Arial;
  width: 100%;
  height: 40px;
  border-width: 1px;
  color: #14396a;
  border-color: #333333;
  font-weight: bold;
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
  border-bottom-left-radius: 6px;
  border-bottom-right-radius: 6px;
  box-shadow: inset 0px 1px 0px 0px #fff6af;
  text-shadow: inset 0px 1px 0px #ffee66;
  background: linear-gradient(#ffec64, #ffab23);
}
button:hover {
  cursor: pointer;
  background: linear-gradient(#ffab23, #ffec64);
}