.btn {
  background-color: #4CAF50; /* Green */
  border: none;
  color: white !important;
  padding: 0.6em 1.5em;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 1em;
  border-radius: 0.3em;

  text-transform: uppercase;
}

.btn:hover {
  background-color: #439946;
  color: white;
}

textarea:focus, input:focus {
  outline: none;
}

textarea {
  width: 100%;
  height: 50vh;

  font-family: "Courier New", serif;

  padding: 12px 20px;
  box-sizing: border-box;
  border: 2px solid #ccc;
  border-radius: 4px;
  background-color: #f8f8f8;
  resize: both;
}

input:disabled {
  background-color: #e9ecef;
  opacity: 1;
}