@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap");

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

body {
  font-family: "Roboto", sans-serif;
  background-color: #434242;
  padding: 2rem;
  color: #ddd;
  text-align: center;
}

.main-container, .btn-container{
  margin: 2rem 0;
}

#entry{
  outline: none;
  padding: .5rem;
  font-size: 1.2rem;
  width: 70%;
  background-color: #ddd;
  border-radius: 10px;
}


button{
  background-color: #ffff;
  padding: .5rem;
  font-size: 1rem;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
  margin-left: 10px;
  transition: 0.4s;
}

button:hover{
  transform: scale(1.1);
}


#key{
  font-size: 1.5rem;
  outline: none;
  width: 5rem;
}

.output{
  margin: 3rem auto;
  background-color: #ddd;
  width: 70%;
  color: black;
  text-align: start;
  padding: .5rem;
  font-size: 1.2rem;
  border-radius: 10px;
  display: none;
}

.copyright a{
  color: #ddd;
}

@media screen and (max-width: 750px){
  #input-field, .output{
    width: 100%;
  }
}