body{
font-family: Arial, sans-serif;
max-width:600px;
margin:auto;
padding:40px;
background:#f5f5f5;
}

h1{
text-align:center;
}

input{
width:100%;
padding:10px;
margin:10px 0;
border:1px solid #ccc;
border-radius:5px;
}

button{
width:100%;
padding:12px;
background:black;
color:white;
border:none;
border-radius:5px;
cursor:pointer;
}

button:hover

#result{
margin-top:20px;
text-align:center;
}