.tester-form {
    margin-top: 1rem;
}
.tester-form input,
.tester-form textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    font-family: inherit;
}
.tester-form button {
    width: 100%;
}
.alert-container {
    margin-top: 1rem;
}
.alert {
    padding: 1rem;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    border-radius: 0.25rem;
    margin-bottom: 1rem;
}