html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;} 
 

body {
  height:100%
  font-family: "Noto Sans KR", sans-serif;
  font-optical-sizing: auto;
  font-weight: <weight>;
  font-style: normal;
  margin: 0;
  padding: 20px;
  background-color: #f0f0f0;
}
h1 {
    font-family: "Black Han Sans", sans-serif;
  font-weight: 400;
  font-style: normal;
  font-size: xx-large;
    text-align: center;

}
.container {
  max-width: 600px;
  min-height: 80%;
  height: auto;
  margin: auto;
  background: #fff;
  padding: 20px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
label {
  display: block;
  margin-bottom: 10px;
}
input {
  width: 95%;
  padding: 10px;
  margin-bottom: 20px;
  border: 1px solid #ccc;
  border-radius: 4px;
}
button {
  width: 100%;
  padding: 10px;
  background: #007bff;
  color: #fff;
  border: none;
  border-radius: 15px;
  cursor: pointer;
}
button:hover {
  background: #0056b3;
}
.result {
  margin-top: 40px;  
}

footer {
  text-align: center;
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  color: rgb(81, 81, 81);
  text-align: center;
}