.email-alert { 
        padding: 15px; 
        background: #f8f9fa; 
        margin-bottom: 20px; 
        border-left: 5px solid #333; 
}

.email-error { 
        color: red; 
        font-size: 0.9em; 
        margin-top: 2px; 
        display: none; 
}

input.email-invalid, textarea.email-invalid { 
        border-color: red; 
}