.ihg-container {
    max-width: 500px;
    margin: 20px auto;
    padding: 15px;
    border: 1px solid #ddd;
    background: #fff;
}

.ihg-container input,
.ihg-container textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
}

.ihg-container button {
    width: 100%;
    padding: 10px;
    cursor: pointer;
}

#ihg-loading,
#ihg-success {
    display: none;
    text-align: center;
    margin-top: 10px;
    color: green;
}

#ihg-result {
    height: 120px;
}