.zip-checker {
    max-width: 400px;
    margin: 20px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    text-align: center;
}

.zip-checker input {
    width: 80%;
    padding: 8px;
    margin: 5px 0;
}

.zip-checker button {
    background-color: #0073aa;
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 5px;
}

.zip-checker button:hover {
    background-color: #005177;
}