style.css

* {
  margin: 0;
  padding: 0;
  font-family: monospace;
  background-color: rgb(235, 247, 248);
}

.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  /* height: 90vh; */
}

h1 {
  font-size: 3rem;
  text-align: center;
  margin-top: 1rem;
}

.inp {
  margin: 2rem 0;
  font-size: 1.5rem;
  text-align: center;
}

input {
  font-size: 2rem;
  text-align: center;
  padding-top: 0.3rem;
  padding-bottom: 0.3rem;
  border: 2px solid grey;
  outline: none;
}

button {
  font-size: 1.7rem;
  padding: 0.4rem 0.9rem;
  margin: 1rem;
  font-weight: bold;
}

button:hover {
  background-color: rgba(255, 255, 255, 0.568);
  cursor: pointer;
}

#output {
  margin-left: 1rem;
  margin-right: 1rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  max-width: 50rem;
  border: 2px solid black;
  border-radius: 1rem;
  background-color: rgb(215, 250, 250);
  font-size: 1.2rem;
}

#loading {
  font-size: 1.7rem;
  margin: 2rem;
}

strong {
  background-color: rgb(215, 250, 250);
}

.footer {
  font-size: 1.5rem;
  font-weight: bold;
  margin: 1rem;
}

a {
  text-decoration: none;
  color: black;
  cursor: pointer;
}

#code {
  color: rgb(24, 95, 3);
}

.visible {
  visibility: visible;
}

.invisible {
  visibility: hidden;
}