style.css

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

.form-container {
    background-color: #fff;
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    box-shadow: 0px 0px 10px 0px rgba(0,0,0,0.1);
}

h2 {
    text-align: center;
    color: #333;
}

.input-group, .action-group {
    margin-bottom: 15px;
}

input[type="text"], input[type="password"], input[type="number"], input[type="tel"] {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

input[type="submit"] {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 4px;
    background-color: #5cb85c;
    color: white;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #4cae4c;
}

.btn-link {
    display: inline-block;
    margin-top: 15px;
    text-align: center;
    width: 100%;
    background-color: #337ab7;
    color: white;
    padding: 10px;
    text-decoration: none;
    border-radius: 4px;
}

.btn-link:hover {
    background-color: #286090;
}