body {
    font-family: Arial, sans-serif;
    background-color: #2c2f33;
    color: #fff;
    text-align: center;
}

.container {
    width: 400px;
    margin: 100px auto;
    padding: 20px;
    background-color: #23272a;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.5);
}

h1, h2 {
    color: #7289da;
}

input, select {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    border: none;
}

button {
    width: 45%;
    padding: 10px;
    margin: 10px 5%;
    background-color: #7289da;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #5a6abf;
}

#output {
    margin-top: 20px;
    background-color: #7289da;
    padding: 10px;
    border-radius: 5px;
}