body {
   margin: 0;
   height: 100vh;
   display: flex;
   justify-content: center;
   align-items: center;

   font-family: Arial, Helvetica, sans-serif;
   background: #a8b6f0;
   color: rgb(255, 255, 255);
}


.container {
   background: #686767;
   padding: 30px;
   border-radius: 15px;
   width: 350px;
   box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}


input {
    width: 100%;
    padding: 8px;
    margin: 10px 0;
}


button {
    width: 100%;
    padding: 10px;
    cursor: pointer;
}


#result {
    margin-top: 20px;
    font-size: 14px;
}