* {
    box-sizing: border-box;
}
body {
    font-family: Arial, sans-serif;
    margin: 50px;
}
.form-container {
    width: 400px;
    margin: auto;
    border: 1px solid #eee;
    padding: 20px;
}
input, textarea {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    border: 1px solid #ccc;
}
button {
    background: #2300FF;
    color: #fff;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background: #8000FF;
}
.error {
    background: #E99A9A;
    color: #C80000;
    padding: 15px 10px;
    border-radius: 5px;
}
.success {
    background: #97E8A9;
    color: #00C82C;
    padding: 15px 10px;
    border-radius: 5px;
}