body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    width: 300px;
}

.popup-container {
    display: flex;
    flex-direction: column;
    height: 400px;
    background: #f9f9f9;
    color: #333;
}

.header {
    background: #4caf50;
    color: white;
    padding: 15px;
    text-align: center;
}

.main-content {
    padding: 15px;
    overflow-y: auto;
    flex: 1;
}

.alerts {
    margin-bottom: 15px;
}

h2 {
    font-size: 1.2em;
    margin-bottom: 10px;
}

.alert {
    background: #fff;
    border-radius: 5px;
    padding: 10px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    margin-bottom: 15px;
}

.alert-form .form-group {
    margin-bottom: 10px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
}

.form-control {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.submit-btn {
    background: #4caf50;
    color: white;
    border: none;
    padding: 10px;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-size: 1em;
}

.submit-btn:hover {
    background: #45a049;
}

.footer {
    background: #eee;
    padding: 10px;
    text-align: center;
    font-size: 0.9em;
}