body {
    font-family: Arial, sans-serif;
    padding: 2rem;
    background: #f5f5f5;
}

.container {
    max-width: 500px;
    margin: auto;
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.timezones {
    display: flex;
    justify-content: space-between;
    margin: 1rem 0;
}

label {
    display: block;
    margin-bottom: 0.5rem;
}

select, input {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 1rem;
}

button {
    width: 100%;
    padding: 0.7rem;
    background-color: #007bff;
    border: none;
    color: white;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
}

#result {
    margin-top: 1rem;
    font-size: 1.2rem;
    text-align: center;
}