* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body,
body * {
  font-size: 16px;
  font-family:"Courier New",Courier,monospace;
}

main {
  display: block;
}

.container {
  margin: 0 auto;
  padding: 20px;
  max-width: 400px;
}

h1 {
  margin: 0 0 20px 0;
  font-size: 24px;
}

p {
  font-size: 12px;
  margin: 0 0 20px 0;
}

form {
  display: block;
  margin: 0 0 20px;
}

input {
  display: block;
  width: 100%;
  padding: 10px;
  margin: 0 0 10px 0;
}

button {
  padding: 10px;
  cursor: pointer;
  display: block;
  width: 100%;
}

.classify-document-form {
  display: none;
}

.train {
  display: none;
}

.trained-documents {
  display: none;
}

.classify-output {
  display: none;
}

output {
  display: block;
  margin: 10px auto 20px auto;
  background: rgb(248, 248, 248);
  padding: 0;
}