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

body {
  font-family: "Montserrat", sans-serif;
  display: block;
  text-align: center;
  background-color: #1f2937;
  max-width: 700px;
  margin: auto;
}
h1 {
  color: #6366f1;
}
label {
  display: block;
  margin: auto;
  color: white;
  margin-top: 0.5rem;
}
.container {
  max-width: 65%;
  display: block;
  margin: auto;
  padding: 2rem 1rem;
}
.input-container {
  max-width: 100%;
  background-color: #6366f1;
  padding: 1.5rem;
  border: 1px solid gray;
  border-radius: 0.5rem;
}
input {
  display: block;
  margin: auto;
  margin-top: 0.5rem;
  border: 1px solid gray;
  border-radius: 0.5rem;
  padding-left: 0.5rem;
  height: 30px;
  width: 55%;
}
#btn-check {
  margin-top: 1rem;
  border: 1px solid gray;
  padding: 0.7rem 1.2rem;
  background-color: #1f2937;
  color: white;
  font-size: 1rem;
  font-weight: bold;
  border-radius: 0.3rem;
}
#output {
  margin-top: 1rem;
  font-weight: bold;
  color: #1f2937;
  font-size: 1.2rem;
}